I wish I had left my PS5 disconnected from the Internet, although even if you have one with low-firmware, you can only play a limited subset of games since there's not a hypervisor hack yet.

There have been some really good PS5 titles: God-o-war Ragnarok, Stellar Blade .. but nearly every other PS5 title I've played is on another system or not worth playing: https://battlepenguin.com/gaming/

There's a lot of old stuff that seems more worthwhile, especially in the indie game space. I don't like to pirate PC games cause binary from a torrent site seems like a bad idea. But on a PS4 that's only connected to my Raspberry Pi as a file server and not the Internet .. seems fine. And most of the games I've been meaning to get to would run on a potato.