I flew a fair bit (4-6 times a month) for my last job and while I would say sure everyone has a bag, it was very common for people to only have a personal item (backpack/purse) and not bring a carryon (roller bag that need to go in the overhead compartment).
The real solution here is to let everyone who doesn’t need access to the overhead compartment disembark first, irrespective of whether or not they checked a bag.
I flew a fair bit (4-6 times a month) for my last job and while I would say sure everyone has a bag, it was very common for people to only have a personal item (backpack/purse) and not bring a carryon (roller bag that need to go in the overhead compartment).
The real solution here is to let everyone who doesn’t need access to the overhead compartment disembark first, irrespective of whether or not they checked a bag.
But they are likely to be in a window seat with their path blocked by two on-carriers so the whole thing would descend into chaos.
There isn’t a way to make it more chaotic.