except for the increased wages by bringing strike pressure to bear.
Totally vaporized and then some by the overhead of the union.
Unions get enough extra to thrive themselves, over time the union leaders care nothing for the workers but only for personal income to grow the union - to the extent they do not care if they kill the host they are attached to, putting many out of work.
At least that's how it has played out so far over the last few decades. Why is there any reason to think it will alter for Uber? There is none.