Citations needed for... All of this.

I find the densest parts of Amsterdam much less of a "rathole" than parts of LA with similar densities.

The discussion isn't about public transit anyway, it's about bikes. Concern trolling (in a different comment) about the sick and disabled won't get you anywhere. The arithmetic just doesn't work out in your favor.

Also, yes, because the buses and trains in the US mostly suck. You ever been on a nice train?

Besides, no one's suggesting banning single family homes. Though I guess you probably don't like free markets for this sort of thing, want more of a command economy, to make sure nothing besides single family homes gets built, regardless of what the market wants?

Btw, neither a leftist nor European :)