Did I say mandatory? I meant optional! You’re “free” to die in a cardboard box under a freeway as a market capitalist scarecrow warning to the other ants so they keep showing up to make us more!
Property tax is already an unrealized gain tax.
It certainly is. Now, note how the only thing akin to stocks that non-rich people can play games with the worth of is taxed. That’s because non-rich people need property as well. If property was only owned by rich people, you’d get a credit on your taxes for owning it.