20 years in SF, and I can promise you that the extreme left is not the establishment here. As an example, we had a relatively progressive prosecutor who tried occasionally to hold cops to account. After an acrimonious campaign, he was just recalled with extensive support from a chunk of the establishment. His replacement, selected by the mayor, volunteered as an active proponent in the recall. Except that it came out later that she received $100k in "consulting" fees from a billionaire via a sister organization to the recall campaign:
https://www.kron4.com/news/bay-area/reports-sf-da-brooke-jen...San Francisco gets a lot of press as being radical, but the government strikes me as pretty middle-of-the-road and wealth-focused. i can't think of a policy here that would be out of place in any other sensibly run city in the US. And we're definitely to the right of places like Copenhagen and Amsterdam. And that goes back a long way; CA's current governor was a centrist mayor here back in the day.