So a prisoner
Gets to choose the new king?
shareHe was the only one with the brains to do it. Frankly, Tyrion should have been king.
shareHe nominated Bran and the whole group chose him. Except, of course, for his selfish, oathbreaking sister.
shareThey needed someone from the Lannister in their council
shareGrey Worm: "You be quiet, we've heard enough talk from you."
Tyrion: **proceeds to continue talking immediately and with no further objection from Grey Worm, and then to choose the new king**
with all the flaws, the Grey Worm stuff might be the worst.
He'd have killed both Jon and Tyrion in an eye blink after Dany's assassination.