plus the impending lawsuits for wrongly classifying their employees as contractors... thats going to take years to play out and could hit their profitability really hard.
That isn't exactly a counter to the OP's point. Just because they don't have competition in one global location does not mean they do not have global competition.
There is no competition to Uber in Toronto. It's so cheap and accessible it's almost competing with public transit at this point.