He's just up there throwing out Executive Orders like a dictator would. Whether they have legal precedent or not. Like a fucking child throwing a tantrum.
He's not, his handlers are putting these in front of him and he's signing them. I bet they're using his ignorance and hubris to get his signatures on EOs that would secretly strip power from himself.
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"I want a hamburger... no, cheeseburger. I want a hot dog. I want a milkshake. I want potato chips".
...and any decent judge as Judge Smails: "You'll get nothing, and like it!".