This week, three titans of ride-hailing—Uber CEO Dara Khosrowshahi, Lyft co-founder Logan Green, and Lyft CEO and president John Zimmer—took a rare break from competing on the roads to collaborate on the page: They penned an op-ed in the San Francisco Chronicle to voice their collective opposition to a new California law that would re-classify their drivers as employees, allowing them the benefits and bargaining rights long withheld from independent contractors.