In a lot of cases rent control doesn’t even apply to new housing, and even where it might it’s effectively a declaration that profit is allowed on volume more t

In a lot of cases rent control doesn’t even apply to new housing, and even where it might it’s effectively a declaration that profit is allowed on volume more than margins, so it’s pro-density. You can ruin that with zoning, of course. But rent control isn’t the anti-supply force in that scenario.