I don't care how much money a person has OR what they choose to spend it on. It is THEIR money, earned or given, and they are free to spend as they please. Doesn't matter if it's to world hunger or rebuilding history.

You can change tax law to have them owe more, but they should not be criticized for how they spend. There is no obligation in wealth.

Billionaires raced to pledge money to rebuild Notre Dame. Then came the backlash.
https://www.washingtonpost.com/world/europe/billionaires-raced-to-pledge-money-to-rebuild-notre-dame-then-came-the-backlash/2019/04/18/7133f9a2-617c-11e9-bf24-db4b9fb62aa2_story.html