Originally Posted by
jhayes_1780
Probaly not as the ADA doesn't apply to airline passengers.
I'm sure if you said nobody in a wheelchair or otherwise physically challenged was allowed to bring a carryon (which you did above), some aspect of it or a related law would apply.
Originally Posted by
DAL4550
It is not the responsibility of the flight crew or other passengers to tend to heavyweight carry ons.
Helping passengers with their bags is (or certainly should be) part of the job description, as long as the bag conforms to the airline's limits.