[SimonPStevens]

I think the intent of the parent's question was to say why can't a group of drivers get together and create a ride sharing app that is jointly shared by all the drivers and just gives all the money to the drivers, hence taking no profit (rather than the more formal term 'non-profit' which has the tax implications like you say.)

Besides, companies only pay taxes on profits, so loss making companies don't pay any tax either. (And usually have some kind of ability to carry forward losses to reduce future tax bills)

Why would anyone work voluntarily for what would essentially just be a company that gave all it's profits to the drivers but expected them to work for free. Volunteers tend to work for causes they believe in for some ethical or moral reason, and while I sympathize with the drivers like I'm sure many do I doubt many would work for free so someone else can earn more.