this method seems to assume that people will line up in perfect order so that no one blocks anyone else, but that simply isn't the case. the alternating rows th

this method seems to assume that people will line up in perfect order so that no one blocks anyone else, but that simply isn't the case. the alternating rows that were called would stagger in random order and blocking would occur as normal. probably enforcing less carryon would speed the process up the most, but they'd have to make the checked in baggage pickup quick and easy to give people more incentives to check in.. maybe even offer a service that picks up rollies right at the gate and makes the available after getting off the plane..