This was brought up elsewhere in the thread, and it's a valid concern. But consider that this might instead be a strike. Drivers want to be paid $Y, so they refuse to work until Lyft agrees.
I'm not sure where the line is between the two. But given that the market in question is the drivers' labor — and the ongoing question of whether the drivers are employees or contractors of these multi-billion dollar companies — I'm inclined to consider this "labor organizing" rather than "price fixing".
