also the rich absolutely _do_ owe society at large something: taxes. a thing which, as you get richer, it apparently becomes optional due to financial engineering

There is a tax book. If you don’t take advantage of every possible option allowed by the thick book, then you are just dumb.

But if you are feeling more patriotic than you usually feel, may I remind you Uncle Sam accepts gifts at:

https://fiscal.treasury.gov/financing/gifts-to-government