It’s mostly about home equity, and this is a very common collective behavior called a cartel.
It’s illegal for corporations to do this in most cases, but individuals certainly can. Housing is probably the main area where they do, with neighborhoods forming organic cartels to restrict supply to raise price.
As with all cartels the solution is to break it up or take away its ability to restrict production using lawfare and other means.
Clearly that’s not what I meant, and you seem to have figured that out yourself. I meant the common good of society. The greater good, if that makes more sense.
