Of course, a lot of people taking their big tech paychecks to some lower-cost place will just be exporting the problem to another place. A sudden big inflow of cash into a low-cost area is going to raise prices.
Who's going to let housing be built if it devalues the houses they own?
Prop 13 in California is a key thing cited as why NIMBYism is stronger than usual, because current entrenched residents don't feel the pain of their behavior.
Gov'ts also do not willingly pass something like prop 13 themselves, because they don't like to limit their ability to tax.
https://www.usatoday.com/story/money/2019/05/25/us-dollar-ho...
To think this time is different is to be ignorant.