You seem to be coming from the perspective that people who don't live in a place should have more say over the nature of that place than those who do live there.
To put it in your terms, why does it make more sense to tell existing residents "your place has to change and you can move if you don't like it" vs channel the new residents to other places where more housing is available and is available cheaper.
To put it in your terms, why does it make more sense to tell existing residents "your place has to change and you can move if you don't like it" vs channel the new residents to other places where more housing is available and is available cheaper.