[maxsilver]

The problem is that "investment firms have a finite purchasing capability" is only true over the long term. (like, "many decades" long) Investment firms have effectively unlimited purchasing capability in the medium term (like, for the next 5 years).

Which is why "just build more housing" isn't really working, because you can't just overbuild human demand (we already do that in lots of cities, especially in the midwest), you'd also have to also outbuild the entire public and private investment appetite for housing, which is effectively unlimited at the moment.