Originally Posted by adultmobile

Let me think the bad way.

Moving money from private bank account, private real estate, companies to private "charity" foundations (their own one, giving nothing to 3rd parties, is not like they give this to WWF or united nations) is a way to avoid succession tax i.e. the son inherits the foundation with no tax to pay unlike inherited private stuff. These foundations are made to pass money on to future generations (to your son when you're dead) without paying estate taxes. Zuckenberg is not even shy to openly link the birth of the son with the birth of inheritance trust to avoid taxes he sets up for him for the moment he will be dead.

Pledge Aside, Dead Billionaires Don't Have to Give Away Half Their Fortune - Bloomberg Business
The Giving Pledge Is Just A Glorified Tax Break: Critics
How the billionaire Walmart clan are using their charity to avoid paying estate taxes on an 150 billion dollar fortune and pass it on to future heirs | Daily Mail Online