The performance PS5 on Linux is actually very good thanks to the better hardware and more stable graphics drivers. It's basically as performant as a comparably specced PC.

However, the fact that rebooting the system means you have to rerun the jailbreak to boot back into Linux does make it impractical for anything other than a cool gaming toy. But if you already have a PS5 vulnerable to the required exploits, it's fun to do and it's nice to have access to your Steam library.