Since tape trading, for me. Don’t invent the means to copy the media if you don’t want the media copied.

None, because their corporations exist as separate legal entities that own their own assets, and their personal wealth would go to their next of kin.

The way to get the wealth out of the hands of the wealthy is to tax them, or to remove the legal system that would keep their wealth in their family when they die.

I remember back in the days when Ebay didn’t have any selling restrictions, there was someone selling an Alfa class Soviet sub for something like 3.5 million.