Waymo has launched a transit rewards program in the San Francisco Bay Area that issues $2.85 in Waymo Cash when riders combine a Waymo trip with public transit within a two-hour window using a linked Visa card. The $2.85 matches a San Francisco bus fare. The program works across all 27 Bay Area transit agencies that accept contactless Visa tap-to-pay, and Waymo is also leasing 40 dedicated parking spaces at Caltrain stations to stage vehicles near transit hubs. The political framing is deliberate. California Transportation Secretary Toks Omishakin and San José Mayor Matt Mahan both offered quotes positioning this as innovation strengthening public transit rather than competing with it. That framing matters because Waymo's long-term regulatory license depends on being seen as complementary to public systems, not parasitic on them. A $2.85 rebate per multimodal trip is cheap insurance against the narrative that robotaxis hollow out transit ridership. Waymo cites a survey showing over 50% of its riders in mature markets — San Francisco, Los Angeles, and Phoenix — already use public transit. That statistic does double duty: it signals that Waymo's customer base overlaps with transit users (good for the complementary narrative) while also revealing that Waymo is competing for the same trips. The rewards program attempts to formalize the overlap as partnership rather than competition. The Visa-only requirement is worth noting. Riders must link a Visa card, and the program piggybacks on the Bay Area's tap-to-pay infrastructure launched in December. This creates a three-way data relationship: Waymo gets transit usage data, Visa gets ride-hailing transaction data, and transit agencies get the political cover of a tech partnership. The rider gets $2.85. The Caltrain parking lease — 40 dedicated spaces for staged vehicles — is the more structurally interesting move. Stationing robotaxis at commuter rail stops creates a first/last-mile network effect that could genuinely boost transit ridership for longer commutes. But it also positions Waymo as a de facto feeder service, embedding its fleet into transit infrastructure in ways that would be difficult to unwind. This follows a pattern of incremental transit integrations: pilot programs in SF and LA, the LA Metro Mobility Wallet partnership, and a microtransit deal with Via in Chandler, Arizona. Each step deepens Waymo's institutional relationships with transit agencies, making regulatory confrontation progressively more costly for those agencies. The generative potential is real but conditional. If robotaxis genuinely solve the first/last-mile problem and increase transit ridership, this is a net win for urban mobility. If they instead siphon short trips that would have been transit rides — while using the rewards program as political cover — the subsidy is a strategic cost of regulatory capture, not a transit investment.