Earlier quoted context omitted.
The french quarter in new orleans is also probably less safe than modern buildings, but I wouldn't want to see it torn down just because rents would be cheaper. SF does need to build, badly, but I'm wary of the term NIMBY-ism. It is descriptive, but I think it invites false equivalence. There are degrees of NIMBY. I actually think that some of the burbs, like walnut creek or mountain view (especially the latter) have…
SF has a lot of beautiful historic architecture, but also absolutely endless rows of bland, ugly, and tightly packed 2-story houses ("houses"). You could build over a quarter of the city and lose nothing.
That's why it's mostly brothels and growhouses (exaggeration).