There are definitely controllers designed for players with significantly greater disabilities than this[0], and there are some high level gamers with significan

There are definitely controllers designed for players with significantly greater disabilities than this[0], and there are some high level gamers with significant disabilities (I don't watch e-sports, so I'm unsure if there are professionals). I think it is certainly possible for him to adapt, but he doesn't seem interested in that and that's ok too. [0] And there are quite a few people out there who will make custom controllers to fit your needs.