By "park" you mean "invest" in (hopefully) productive participants in the economy. It arguably makes sense to seize wealth that's being invested in ways that ar

By "park" you mean "invest" in (hopefully) productive participants in the economy. It arguably makes sense to seize wealth that's being invested in ways that are harmful to society and divert it into investments that are good for society, but imposing taxes based simply on the quantity of wealth won't accomplish that.