The connection between NIMBYs and displacement goes like this: newcomers come in and increase prices of rentals, NIMBY homeowners refuse to build more housing,

The connection between NIMBYs and displacement goes like this: newcomers come in and increase prices of rentals, NIMBY homeowners refuse to build more housing, long-time renters are displaced by the newcomers who can afford more. Simple supply and demand. Tech is certainly part of the problem, but California has been underbuilding for the past 30 years. This problem goes way back, and it was made much worse by Reagan's massive cuts to HUD back in the 80s.