Originally Posted by
corporate-wage-slave
What happens on AA is they combine it with the extended Priority Boarding process. So for starters anyone with one or no bag without status is able to board after the status passengers but before the 2 bag crowd; secondly the crew proactively close full lockers during boarding of busy flights and at the point when all the lockers are shut anyone in the last groups to board who has a bag that cannot go under the seat must gate check their bag, no argument.
I would endorse this on BA 100%