maybe, just maybe, his wealth based on his share holding Facebook has very little to do with the tax paid around the globe? its a sad day when someone gets criticised for donating billions.
leaves him with £300m to get by on. alot of wealthy business do similar because essentially they've got nothing else to do with the vast wealth. cure malaria, build a electic car, turn an average football club into European Champions, they need a cause to get them up in the morning.