Sounds pretty cool, though as others have mentioned it is pretty niche and I don't think I'd recommend doing this if your goal is earning money, if you're doing it out of personal interest as a hobby and because you think it is a fun project, absolutely go for it, no harm done in gaining some experience.
The idea of the side scroller would be, to give that application a compelling frontend and to "gamify" these tasks even more
This sounds a bit like hamster simulator, which we used in high school in our "programming" class, the site is in German, but you might the idea. But I can absolutely see how you can make this more compelling.
Im running a 7000 card on Arch since January (7900xt) without issues. For the first 1-2 months I had to install the git version of the drivers from a separate repo, but it still worked like a charm, a thousand times better than Nvidia (not only performance wise)