First-order effects

• LA Metro gets a redesigned bus network matched to observed travel patterns rather than rider surveys — directly changing which routes run, when, and how fast for millions of riders.
• Critics immediately flag that the 5M phones' data was collected without consent, putting the city's transparency practices under scrutiny at the moment it touts the project.

Second-order effects

• Other agencies watching LA now have a template: expect consultancies and location-data brokers to court transit authorities as customers, deepening the pipeline that already saw vendors like Perceptics pitch vehicle-and-driver tracking to New York's MTA (leaked documents showed the sales playbook).
• The consent backlash hands privacy advocates a concrete case study, pressuring agencies to justify or contractually constrain how passenger-derived location data is sourced before scaling similar projects.

Third-order effects

• If passive mobility data becomes standard input for public infrastructure planning, cities effectively outsource a civic function to the commercial location-data supply chain — forcing a reckoning over whether public agencies should demand consent-based sourcing from that market.
• The same tension is visible across the sector: app-based on-demand bus experiments largely underwhelmed (cities worldwide tried and mostly struggled), suggesting data can reroute buses but not fix the underlying land-use patterns the Wired piece says American cities would need to rethink.