Another absolutely fantastic aspect of the gig economy, absolutely no sense of institutional responsibility from anyone. Just a giant game of musical chairs where everyone can point at everyone else.
If a hotel discriminates because of disability or race or whatever else they risk the reputation of their entire business and trivial legal claims. If someone gets a racist Uber driver it's going to be 'they're just contractors dude, we don't know them!'. Shareholder capitalism at its finest. All of the profits, none of the accountability. I guess that is widely considered to be social progress nowadays.
Yet another reason that Uber has given countries to make them treat their drivers as employees.