Substack apologizes after sending a push alert encouraging some users to subscribe to NatSocToday, a Nazi newsletter advocating for a “White homeland”
The alert contained a swastika and prompted users to subscribe to newsletter featuring opinions and news important to the “white nationalist community.” Bluesky: @jonayariley , @jimllmixit , @dankennedy.net , @marypcbuk , @karlbode.com , @jonrossjan , @dia , and @iamvishnurajan Mastodon: @david_megginson@mstdn.ca , @FediThing@social.chinwag.org , @jsr@social.jsr.com , @masek@infosec.exchange , @markwyner@mas.to , @pivic@kolektiva.social , @encthenet@flyovercountry … , @Lazarou@mastodon.social , and @John@socks.masto.host X: @taylorlorenz , @taylorlorenz , @julienhoez , @taylorlorenz , and @tdh Forums: r/technology and Beehaw See also Mediagazer Bluesky: @jonayariley : Substack doing an amazing job of running their Nazi bar [embedded post] Jim / @jimllmixit : OK, everyone, it's fine now, they've apologised. [embedded post] Dan Kennedy / @dankennedy.net : The latest Nazi fiasco @taylorlorenz.bsky.social writes about is a consequence of Substack's two clashing goals: to offer an excellent self-publishing platform and to become big players in the publishing world. It ought to focus on the former. www.usermag.co/p/substack-s... Mary Branscombe / @marypcbuk : Now do the preferential publishing deals for literal Nazis and censorship of sex workers [embedded post] Karl Bode / @karlbode.com : the amoral engagement chasing executives at substack (who openly embraced white supremacist writers and have paid huge cash advances to some of the internet's biggest bigots and trolls for years) did a whoops a daisy! [embedded post] @jonrossjan : And this is why I'll NEVER pay for any subscription on Substack. They monetize nazis. @dia : “Oops, I did a Nazi!! After blatantly providing a home for Nazis!” — I know many of y'all want a reason not to go through the trouble of leaving Substack. This is not it. Get. Off. Substack. [embedded post] Vishnu / @iamvishnurajan : turned up the racism dial a little too far i guess [embedded post] Mastodon: David Megginson / @david_megginson@mstdn.ca : @Techmeme Substack's apology is the worst part: … So their actual concern is that their filter bubble malfunctioned??? — In other words, “we're sorry that our algorithms misclassified some of our users as neo-Nazis and fed them the wrong recommendations.” 🤦♂️ … @FediThing@social.chinwag.org : @Techmeme — But they DON'T apologise for hosting Nazis and allowing Nazis to post Nazi-promoting lies. They also don't apologise for making money from hosting Nazis. John S Russell / @jsr@social.jsr.com : Get the fuck off of Substack, for fucks sake. — https://www.usermag.co/... Martin Seeger / @masek@infosec.exchange : @Techmeme I would like to know if they pushed it toward a German used. That would have been most likely a criminal act under German law by Substack. @GossiTheDog @markwyner@mas.to : Substack promoted a literal nazi propaganda pub with push notifications to random people. — Their response? Not “sorry we host Nazis.” It was “sorry for the technology glitch.” — WHAT‽ 🤬 — To all writers and journalists who use Substack. Im unsubscribing from your feeds and email lists. … Niklas Pivic / @pivic@kolektiva.social : Substack sent a push alert promoting a Nazi blog: https://www.usermag.co/... all: Hey Substack, how are you doing? — substack: *Nazi salute* — #substack #nazism John-Mark Gurney / @encthenet@flyovercountry.social : You know the best way to not send a push alert with a swastika in it? By not hosting Nazis. But substack won't do this simple thing because they support Nazis. — > https://www.usermag.co/... @Lazarou@mastodon.social : Ahh, this is why people are upset with Substack today. — What a Nazi Fucking Bar that place is... https://www.usermag.co/... #Substack #WhiteNationalism #Nazis #FarRight #Fascism John Socks / @John@socks.masto.host : Substack isn't really Nazi .. — Oh, this just in: — https://www.usermag.co/... X: Taylor Lorenz / @taylorlorenz : SCOOP: Substack sent a push alert promoting a Nazi blog. The alert contained a swastika and prompted users to subscribe to newsletter featuring opinions and news important to the “white nationalist community.” https://www.usermag.co/... Taylor Lorenz / @taylorlorenz : Users who clicked on the push alert were recommended related content from another Nazi newsletter called White Rabbit, which identifies as a “Southern White Nationalist” and has garnered over 8,600 subscribers https://www.usermag.co/... Julien Hoez / @julienhoez : I, a French social liberal, was added to an absolutely bizarre fascist substacker group chat on Twitter about half a year ago, probably because I have a semi-well-known Substack, and I decided to observe these lunatics in their natural habitat. Honest to god, I have never seen a Taylor Lorenz / @taylorlorenz : The most recent post on NatSocToday, the Nazi newsletter Substack promoted, speaks about the necessity of building a white-only America https://www.usermag.co/... Thord D. Hedengren / @tdh : Substack sent a push notification promoting a nazi blog, swastikka and all... Nobody should be surprised. https://www.patreon.com/... Forums: r/technology : Substack sent a push alert promoting a Nazi blog. The alert contained a swastika and prompted users to subscribe to newsletter featuring opinions … Beehaw : SCOOP: Substack sent a push alert promoting a Nazi blog See also Mediagazer
Context & Ripple Effects
This is not simply a hosting dispute: prior coverage documented numerous openly white-supremacist and Nazi newsletters on Substack, while co-founder Hamish McKenzie had already defended the company’s decision not to moderate Nazi content. The new incident moves the issue from allowing material to distributing it through Substack’s own recommendation machinery.
That distinction matters because push alerts and follow-on recommendations turn platform policy into a product-safety and trust question for readers and writers, not just a debate over what publishers may post.
First-order effects
- Substack’s apology addresses an immediate failure in its promotional systems: some users received a push alert directing them toward NatSocToday, and click-throughs surfaced related white-nationalist content.
- The incident intensifies backlash against Substack among users and writers who may view its discovery features as actively endorsing content the company had previously chosen to host.
Second-order effects
- Substack will face pressure to distinguish passive hosting from algorithmic or editorial amplification, including scrutiny of how push notifications and related-content recommendations are selected.
- For writers whose audiences depend on Substack’s follower and subscription tools, the episode raises the reputational cost of remaining on a platform where migration of paid subscriptions has been described as difficult.
Third-order effects
- If distribution systems repeatedly amplify extremist publishers, the practical boundary of content moderation shifts from takedowns to recommendation governance: platforms may be judged by what they promote, not only what they permit.
- The case underscores a broader tension in subscription media: preserving an open publishing model can conflict with retaining creators and readers when discovery products make controversial inventory more visible.
The trend: Newsletter platforms are increasingly being held accountable for recommendation and notification choices, not merely for their rules on hosted speech.