We'll have to agree to disagree. I think he would end up, end up.

Nearly all the characters on GoT end up "end up," even the smart ones - so that's a safe bet. But I think that's wrong.

GoT early seasons are (among other things) an exploration of how the reality of power differs from the nominal designation of power. How what actually happens is very, very different from what the "rules" say is the case. "You really think a crown gives you power?"

One of the iconic scenes in the early part of the series is when Tywin reacts to a slight from Joffrey by declaring that the King is tired, prompting Tyrion to marvel (ironically) that he has just sent the most powerful man in Westeros to bed without supper. To which Tywin replies, "You're a fool if you believe he's the most powerful man in Westeros."

Google: Search results

That's Trump's approach to governance in a nutshell. He's figured out that while Congress on paper has enormous authority (just like a King), they only have that power if you want or need something from them. So he ignores Congress, and fills the Executive with people who are indifferent as to what Congress wants.

"You really think a Committee Chairmanship gives you power?"