Re: Easily fixed...
> ...genuinely incapable...
And you know that, and you compensate for it yourself. You don't start demanding that the world is changed to accommodate the few* who have difficulties.
* OTOH** genuine barriers - Like kerbs for wheelchair users, or a single button mouse, need to be addressed.
** Pun not intended. OTOOH, a picture of a hand with the thumb sticking out towards the middle might actually be helpful.