As the Commander in Chief of the United States Armed Services (and various assorted LEOs), he would theoretically be in charge of more "guns" than any other person alive. How, as a felon, is it not OK for him to personally possess a firearm, but perfectly lawfully command what people do with guns? This is some wild shit happening, and I'm 100% not here for it.
Government: you are proven to make terrible decisions, therefore you may not possess a firearm
Also government: I mean, not officially, but pretty much you can decide to invade a country without any oversight and kill/depose anyone you want, which is fine