We’re lucky Steam is currently doing good by gamers but when we get a chance to not to be solely dependent on them, you should encourage that.

The more the merrier. Heroics launcher allows GOG to function but it currently feels pretty janky compared to Steam. I might actually use GOG if they create a better UI/UX than they currently have.

I also got it to work as a nix flake. Day 1 Linux support baby