Not a very tolerant group here.
Hopefully you are never in need of such a device, or if so maybe others will be more tolerant of your situation.
As to getting elderly, it happens to everyone or you die before then.
My dad had to use a scooter due to his heart condition, no he did not talk on a cell phone while using it. But just possibly he did not get out of someone's way that was in a hurry and had no patience, but it was never intentional.
I would gladly wait many minutes to allow someone to move their scooter out of my way to be able to have my Dad back.
My SIL I guess to those less tolerant would be considered heavily over weight. She has difficulty walking. Her condition is due to a thyroid problem. She tries to diet but without much sucess.
Possibly unless one knows for sure what causes one to be in a certain condition it would be the humane thing not to judge. Not everyone is without flaws. Someone are physcial and some, are well just rude.
This thread is very sad to me.