Not everything is a false flag. Looks to to me like a drunk guy being an asshole.
It wasn't the Trump supporting, Austyn Crites, was it?.../s
So, why did the airline say they should have diverted the plane and removed him?
There’s no evidence in the video that anybody even asked him to sit down, or started arguing with him.
If a steward came and asked him to stop yelling, and he complied, that should be the end of it. There was nothing in the video that suggested anything other than a guy, like you said, being a jerk.