I recently came across this tweet by Patrick Collison, the CEO of Stripe, where he argues that the YIMBY movement "employs an inadvertently dishonest sleight-of-hand" when it promises "Paris-scale density" only to ultimately deliver something quite different in cities. In the post, he shares a fairly banal mid-rise development that looks nothing like Paris, and then says that if we're talking about Paris-style building, he'd be all for it, and likely voters would be too. His point seems to be...