Developers share an enormous role in this problem. They want to enshittify nice places to live with overdevelopment, because people with lower standards want to live there - which is perfectly fine. But they could happily live in residential zones built outward instead - however, that doesn't get the developers as much money, so they don't.
This is an explicitly anti-density, pro-suburban-sprawl housing policy proposal. This is basically the opposite of what transit-oriented urbanists would like to see.
Developers share an enormous role in this problem. They want to enshittify nice places to live with overdevelopment, because people with lower standards want to live there - which is perfectly fine. But they could happily live in residential zones built outward instead - however, that doesn't get the developers as much money, so they don't.