Rent control solves some problems. Creates other problems. Similar to almost any intervention in free markets. Sometimes the cost of intervention outweigh benefits, sometimes they don't. Rent control allows people (wealthy or poor) to remain where they are without purchasing their residence. Unfortunately, to do accomplish this objective, it increases the price for new arrivals (be they wealthy or poor). In Californi…
Unless the intervention is addressed to a market failure (and rent control is not), the cost of intervention almost by definition outweighs the benefits. I.e. the value gained by cheaper rents for early residents is more than offset by higher rents for everyone + dead weight loss from distortion of economic incentives.