It is not that he’s ill informed, it is that he is willfully ignorant and utterly dishonest when the truth and facts don’t benefit him. Which given how much he lies, is pretty much all the time. It must be so be some miracle he didn’t try to bomb an ally (that we know of) and I can’t think of one good thing he did while in office that he wasn’t compelled to do so by laws, precedent and his few remaining competent staff preventing him from fucking it up.