You forgot the best ones: using dirty tactics against journalists [1] and Lyft [2],
I don't understand how anyone can with a straight face claim that "Uber as a company is very ethical company". I would rank the company management (not drivers) as ethical as the New York mafia.
[1] http://www.businessinsider.com/an-uber-exec-brought-up-the-i...
[2] http://money.cnn.com/2014/08/11/technology/uber-fake-ride-re...