Well, the main reason appears to be because he's simping for the populist right.
Discussion
His whole theme is a gift of right-wing populism.
This is why you'll see him and others on the right bitchin about Klaus Shwab and hating the WEF, but you'll never see them name a single CEO of a military industrial complex Corp.
They turned an oxyMORON "anti-globalist billionaire" into a Saint, a similar archetype as we've seen with Trump being some kind of modern-day messianic figure for a lot of buffoons.