Yes, I agree on all this. But rent control is about price changes on existing houses, not on new construction, at least in the US. So it's not a "price control

Yes, I agree on all this. But rent control is about price changes on existing houses, not on new construction, at least in the US. So it's not a "price control" as much as it is a control on rentierism, on existing rentiers taking unearned profits without working.