Still waiting for the day Steam bites the bullet and just publish titles DRM free by default
They already do. Steam DRM is explicitly opt-in and the Steamdwork documentation even underlines that Steam DRM is a very weak form of DRM. Denuvo isn't by Valve/Steam and also opt-in.
All packages are recompiled for Ubuntu and Ubuntu has everything in its own repositories. They literally distribute the software. If you just change config files a bit and the software packages still come from Ubuntu, it's not really your own distribution. It's Ubuntu and repository accesses still count towards Ubuntu stats.
They already do. Steam DRM is explicitly opt-in and the Steamdwork documentation even underlines that Steam DRM is a very weak form of DRM. Denuvo isn't by Valve/Steam and also opt-in.