Earlier quoted context omitted.
You've got cause and effect reversed. Bill Gates started giving his money away after he was attacked for his anti competitive behavior and attempts to kill open source, etc. The rich donate because they are protecting their reputation and for the sake of their own self image (everybody needs to be the hero of their own story). The only ones who can manage that and not be charitable are the utterly self deluded (e.g.…
I suggest you watch the documentary Inside Bill's Brain https://www.netflix.com/title/80184771 Bill is way too invested in this stuff for it to be a cynical PR effort. And he himself states it was his mother who inspired him to give: https://www.businessinsider.com/bill-gates-mother-inspired-p... If Bill's giving was a cynical PR play, why would he be pushing other HNWs to give through the giving pledge? Wouldn't it…
Proceeds to link a literal PR propaganda piece by Gates and Co.