Drivers across the globe are planning on a strike, the day before Uber goes public, in order to protest poor wages and treatment. Over the past week, the strike has been advertised and has received numerous signatures from drivers in major cities. Additionally, politicians have supported the decision to strike. Rideshare Drivers United- Los Angeles has been organizing the strike, and managing the various time zones that it will be taking place in.
See "Drivers Plan Global Strike In Honor Of Uber's IPO", Janet Burns, Forbes, May 6, 2019