I question whether such a law is really necessary. It's costly to hoard property and leave it unproductive. Even if it's owned outright, there's pressure to re

I question whether such a law is really necessary. It's costly to hoard property and leave it unproductive. Even if it's owned outright, there's pressure to rent, sell, or otherwise use it productively due to property taxes, insurance, and maintenance costs, as well as opportunity costs of missed rental income or selling to divert capital towards something that actually yields return.