Honest question: what should happen to all those people having multiple houses? How many is too much? What if it’s “their retirement plan”? Those people should

Honest question: what should happen to all those people having multiple houses? How many is too much? What if it’s “their retirement plan”? Those people should die in the streets so others won’t? I mean I get your point but don’t see a sane way out. Maybe we should just build way more?