The department of transportation says that you are wrong.

https://www.transportation.gov/individuals/aviation-consumer...

No, they say that I am right. “Generally, no” is not “no”. You’ll notice that statement has no teeth or specifics. That entire guideline was added in reaction to this particular event and the general populist stupidity that resulted.

airlines may remove you from a flight if the removal is due to a behavior that is considered disruptive

They caused him to be disruptive.

She made me hit her

If she was trying to remove you from your place by force, then yes she did.

> Generally, no. If you have met the following conditions, airlines are not allowed to deny you permission to board, or remove you from the flight if you have already boarded the flight: You have checked-in for your flight before the check-in deadline set by the airlines; and A gate agent has accepted your paper boarding pass or electronically scanned your boarding pass and let you know that you may proceed to board

That is pretty clear, so you can stop making up stuff for the sake of an invalid argument.

Keep reading. The next paragraph gives a bunch of easy to fake reasons for the airline to do it anyway.