I think everyone gets one of these. You clearly screw up, you admit to it, and you say you'll fix it (as long as it's not a clearly vicious screw up with irreversible effects).
Gimme a break. It's a fauxpology designed to wedge people into a "well, at least he admitted he was wrong" mindset so that it all quiets down and people stop talking about the fundamental problem with Uber: it replaces solid jobs providing public transportation financed from public taxation with a private systems in which the individual peons are powerless, poorly paid and racing to the bottom.
Normally you expect someone in leadership to have gone past a teenager's mindset before they become the CEO of a company with thousands of employees and stakeholders who rely on them to make wise and good decisions on their behalf.
If he needs to grow up and he hasn't yet, then he should step down.