[nugget]

> Think about that: that's a ton of people who are being trained to use Uber.

Well, they're also being trained to use ridesharing generally. It's pretty low friction to move from Uber to Lyft or another competitor. Think of all the other entry points into that market, like Google or Apple Maps (or any other mapping company) for instance. Once autonomous transportation arrives it also moves from an opex to a capex problem, and that changes the barriers to entry, the headwinds to critical mass, and the competitive landscape significantly.