I'm 100% confident that once elderly people make up a good chunk of the gaming market, games will be made that accommodate whatever reflexes they have. If enough people with Parkinson's want to play first person shooters, there'll be first person shooters that people with Parkinson's can play
I don't know about that, I've had extremely tense wars because both my opponent and I kept trying to make extremely fast plays with camel archers and knights, then awaiting for the other to charge and counter them. Almost worse than AoE2.