[GnuThere]

Oh, that makes sense.
Still seems kinda harsh to boot them off, but once the Air Marshals get involved, I'm sure they have protocols to follow. Sounds like they were trying to take advantage, and did not take NO for an answer. Hey, if you're going to your wedding, maybe pay the upgrade and don't poach seats!

[USNBandit]

An attempt move towards the front of the aircraft, after being asked not to, is going to make the FAMS suspicious, That is going to result in a divert.