I did help a passenger with her carry-on recently. But I wonder how she would handle it if she boarded expecting help, but all of the nearby passengers were unable or unwilling to help, and the FAs were unwilling to help due to their airline's (not well known to the passengers) policy about what their job entails and what is covered by their disability policy.
Perhaps the airlines could just state that passengers should not expect FAs to assist them in lifting their carry-on baggage into the overhead bins?
I never expect FAs to assist. Not part of their job and over long term could cause them to develop injuries. I thought that has been made quite clear for years.
So I find it amazing sitting in First when they suddenly need to close the door watching them bring up very heavy large bags from Y and shuffling rollerboards around in the overhead, stuffing the oversize coach bags and backpacks in pushing my computer and cloth bag to the back of the bin (when I'm stupidly in a bulkhead seat.) I rarely see them off load a bag - there is always F space overhead or the closet. They are masters of spatial concepts, accurate to 1/4 inch. Wish they were that helpful when I'm boarding.