His donations are a tax dodge. Besides this billionaire philanthropy is a way to say that the people should not dictate how funds are allocated to things like medical and scientific research, international aid, etc. it’s saying that we instead are okay with our wealth being extracted to pseudokings and allowing them to make these decisions on our behalf. Should we research aids? Space? Should we give food aid to foreign nations experiencing famine? We don’t get to decide, let’s hope one of the oligarchs shines their light on these plights.

Meanwhile it buys great PR to rehab an image. Bill gates is “the nice billionaire” who sends people 10k of Microsoft shit he didn’t even pay for through reddit secret Santa (eg an ad buy). No one then cares that was instrumental in making computers full of proprietary bullshit, destroying interoperability, eliminating competition and killing open source efforts (look up embrace, extend, extinguish if you want to get angry about 90s and early 2000s Microsoft), or even that he probably raped kids on epsteins island