> Also, nothing is worse than the folks who didn’t pay up ahead of time who bug one, ‘may we switch seats so we can sit together?’ So perhaps free family seating makes life easier for everyone.

This is my absolute pet hate. Most of the airlines I fly frequently with specifically throw up a dialog box making you acknowledge "I have no seat selection options with this fare", yet every flight, I'll see people doing this stupid seat dance. No, I chose the seat I wanted for a reason.