1. Prop 22 gives app-based workers healthcare, minimum wage, and other protections and benefits. From the text: "For an average of 25 hours or more per week of engaged time in the calendar quarter, a payment greater than or equal to 100 percent of the average ACA contribution for the applicable average monthly Covered California premium for each month in the quarter." 15-25 hours would require a 50% payment.
https://voterguide.sos.ca.gov/propositions/22/
2. The companies are exploring other options to stay in California, which is actually required as part of the appeal which happened recently. The current publicly proposed model is franchising out to local businesses: https://www.nytimes.com/2020/08/18/technology/uber-lyft-fran...
Disclaimer: I work @ Uber but I do not work on driver-related stuff