San Francisco was not associated with tech or Silicon Valley until the late 2000s-early-2010s, when companies like Twitter and Uber opened headquarters here because of tax incentives. Then startups started popping up everywhere and it transformed the entire city, to its detriment.

As a tech worker myself, I think San Francisco pre-tech boom was a great city that was a lot of fun to live in, but afterwards, there were simply too many rich young tech workers that filled every venue and every activity to the point where it's intolerable. Everyone was trying to complete the 8x8 list and become a Yelp Elite member, and getting into any decent restaurant meant waiting in line for 90+ minutes. The city became very unaffordable and the people were much angrier because of how much harder they had to work to afford living there.

I have several friends who were not in tech but rather different walks of life, from publishers to graphic designers, nurses, government workers, etc. They are all gone now to different cities because it was too expensive to live here, and by trading in the culture of the city to the tech mono-culture, the city is much worse for it.