Mental disability is not an excuse for intruding onto your personal space. You should have said it even earlier that the hand was bothering you. It might be a reason why it happened, but it doesn't make it okay. But if it's really the disability's fault you shouldn't blame them either.
I think that you did was right and I feel bad for what you had to go through
Pretty normal reaction. Of course you'd defend yourself when someone touches you and frankly, disabilities is not written on every "disabled" faces. It would have been weirder if you actually thought "oh, might be a disabled touching my butt, leave him be." imo.
But the woman's reaction is to blame. She was with the man so in some sorts, she has to look after him since she's "the only one" who knows about his disability. Instead of watching him do it and be outraged when you decide to speak up, she should have at least tried to stop him and apologize on his behalf and explain why the deed. There was no need at all for victimization here and even less for pity. What was she waiting for, an apologize on your oart and then you propose the man to fondle your ass even more because he's disabled ? Disabled or not, you have the right to be unconfortabke about it or even disliking it and speak up for it. Her role was to restrain his impulsive behavior instead of blaming you.
It's like tomorow a child goes around lifting women's dresses. It's the mother's role to stop him and apologise on his behalf because the child is too young to understand what he's doing. That's just common sense.
You did the right thing and I would've done the same.
Sounds fishy to me. If she was watching then she’s probably enabling him to do it. Maybe he doesn’t even have a disability and she’s just there to yell so you look bad instead of them. Either way, your reaction was totally normal, she overreacted. If anything, I would have turned around sooner
This is in no way attacking people with mental disabilities.
Today at the supermarket some guy’s hand latched onto my butt for way too long. After about a minute of uncomfortable booty squeezes, I turned around and said, “ hey, can you please let go of my ass? “. There was a lady standing next to him and watching the whole thing. She said with offense, “ OMG! HE DOESN’T KNOW ANY BETTER! HE HAS A MENTAL DISABILITY, SO RESPECT HIM!”. Then she grabbed his hand and said, “ let’s go ___,” or something along those lines. The dude just smirked at me. Now I’m confused and I don’t know if it was ok or not.