Nothing, it has become quite common to say ADHD causes every little odd behavior. I'm not sure if all those people are even actually diagnosed and not just lying for internet points...
I assume people with actual ADHD find it offensive their condition is made fun of by "quirky" idiots online.
The first game was pretty good, but ran like shit for several years and was full of glitches...
Considering how broken games release these days, and now adding denuvo, I think it's gonna be a hot pile of garbage. I would delay getting it for a 2 years after release date at this point.