Operational Risks: Learning on Public Streets

San Francisco is about to become the only city where four robotaxi companies compete for riders. Waymo has 1,000 vehicles and freeway access. Tesla still needs safety drivers and faces a $240 million legal judgment. Zoox plans paid rides in the second half of 2026. Uber is partnering with Lucid on $100,000 luxury vehicles. I break down each company's technology, timeline, and chances of success.