> Existing residents don't deserve to live in SF more than new ones just because theyve been there longer

Yes, of course they do. It's people's _homes_ we're talking about. And it's absolutely in every society's interest to safe guard a mix of people everywhere.

Rampant gentrification where the moneyed upper and middle classes squeeze out the lower class, is clearly the number one reason for an increasing segregated society, disenfranchisement and alienation. Perfect growing grounds for radicalisation and what follows...