They are. As soon at they determine that 40 hour workweeks are unproductive/not required, they will phase those out and everyone working 30 hours will be at 100% salary and benefits. It's merely coincidental that 100% salary happens to have the same value at 75% of what 40 hour workers used to get paid.
but the second mouse gets the cheese. Uber may survive being one of the early distributed ride hailing services, but the danger is that the spend so much money in the process that they go bankrupt and only the name will carry on after someone buys it in a fire sale when the company assets are liquidated.
"Morality is one thing. Ratings are everything." - A Network 23 executive on "Max Headroom"