New research shows that the mere presence of a first class cabin on an airplane—plus the added experience of having to shuffle through this cabin while boarding—contributes to “air rage,” both among economy and first class passengers.
If you have a fucking carry-on, you must exit the plane after everyone else. The biggest time suck of the whole experience is waiting for people with carry on luggage. This would in turn create less carry-on traffic altogether.
Bring back free checked bags, and people will use it.