You're still giving them market share and training yourself in their software. When you need to search up online how to do a gradient, you give views to tutorials for their products.
There is a flatpak. It hasn't technically come out, however there are thousands of players right now. Though most are in russia.
I would also recommended looking at the git repository to see how it's going.
Well, it wasn't deleted when i commented, lol
Edit: It's not deleted to me. I can still see it.