I’ve got to disagree with you on this one. I use a quad cane and a power chair in public. In my experience, I don’t think Most people are rude, most people are just not paying attention, busy in their own head. For example, around me some people immediately hold open doors, etc. Other people suddenly appear startled by my struggle and then quickly try to help, and still others mumble “sorry” when they realize I got the door open and they didn’t offer any help.
It’s rare when people are outright rude. They are just not paying attention to the world around them. And disability just makes some people uncomfortable. Maybe

people are more thoughtless than rude.