Nonsense. Those “not working” reports are Mint users because there are just that many Mint users over all. It makes sense that at least some of them have issues. Furthermore the number of Linux beginners will be a lot higher among Mint users compared to other distros as well. Ergo you are just plain wrong. Mint is great for gaming and so is pretty much any mainstream distro out there. Mint is just suited for beginners on top of that.
I just use it as a smart TV enabler on my dumb TV. I don’t really do any gaming on it, maybe some point and click adventures games but that’s about it.