The people who can afford to live here spend all their time working, and no time participating in the community, much less enjoying and appreciating the things that make the area special.
I mean, yes, the benefits (and sometimes harms) of those companies to humanity reach multiple orders of magnitude more people than the microcosm of the Bay Area housing crisis.
This is a non-sequitur. Making immigration impossible or stopping science funding or whatever is not going to change the behavior of a market profiting off of housing.