[Jack_]

Originally Posted by angus58

Then presumably you should pay for the extra seat? One seat, one bum - packages and other paraphernalia is the passenger's problem; I would sit on any packages if they were not moved when politely asked, and be happy to sue anyone for assault if they so much as laid a single finger on me.

And what about the small matter of vandalism to other people's personal possessions?

For the record - I also agree with you and others that the person in question should've also given up their seat, and I would happily [well, not happily, as I'd rather have no one sat next to me - but without any fuss] move my bags to let someone sit down.