Uber 2.0 would probably make the same pitch Uber did— that all of this is temporary moat-building as we prepare for a glorious self driving future.
So I think the difficulty is less around investors being more savvy to the economics of ride sharing and delivery services, but that they're more savvy to the realities of how far off those technologies are. And that the entrenched firms like Waymo will be far, far better positioned to offer an autonomous taxi service on day 1 than some plucky startup will be.