No, systemd and GNOME are not part of mainline, and also GNOME and systemd arent obfuscated
They made it useable (see the wan show on it a cople weeks ago)
If buying isn’t owning, piracy isn’t stealing
(keep a copy of mr. goldburg)
You forgot to say TILA
Use lutris and make a winprefix
You need a custom wine (GE-Proton works according to searching some denuvo titles on protondb)
See this