I spent a few minutes looking it up and now I feel bad for laughing at it. Here it is:

Hitler, Mussolini and Franco were having dinner together.

Mussolini: “What will your next move be?”

Hitler: “My plan is to kill six million jews and a clown.”

Franco: “But why a clown?”

Hitler turns to Mussolini and says: “See? Nobody cares about the jews.”

It does. The simplest way to use Proton with other games is to add each as a non-Steam game to… Steam. But there are also CLIs for it.

I’m pretty comftable with linux mint right now

For the love of God, spare your free time and don’t move from what works. Consider tweaking your system instead and moving only when you broke something