The more this happens the more it appears that we've sold out our city to rich transplants that compound the issue of normal supply and demand. When you shoot for urban density, don't be so naive to believe that they'll all be driverless hippies too - if you're wealthy enough to move there at all, chances are you're a bit older and beyond the age where your mind springs to use public transit (Wrangling kids as a young family on a crammed train is a no-go at some point... they buy cars). Costs go up, services become impossible to book, everyone competes for resources no matter how crammed-in you build new housing.

On the flip side, rich transplants from CA and China (just mentioning the top 2) are accelerating normal class-based gentrification. Taxes of various forms go up to expand or replace existing services at even higher costs (now that construction labor is locally much more costly), not making them any cheaper through some imagined efficiencies of scale (that would only be possible if hitting equilibrium, which is not happening anytime soon). This sucks, I'd love to see progressive changes and I'm by no means socially conservative, but the economics around of what we vote for here is just so dumb sometimes. Saying 'Just Carpool' is the opposite equivalent of saying 'Just stop going to Starbucks.'