the Community folder, as described, is for Unsupported 3rd Party Mods only - in addition to having them completely separate from the default game files it allow us to not only add too but also edit, append or even replace default files With Out actually changing those default files
it does this by using a virtual file system, the game can load the default files to this virtual file system then loads the Community folder mods Over them, all without changing those base game files on the drive
so if there is an issue all you need do to return the game to a default installation is Remove the mods from the Community folder so only the default files get loaded into that virtual file system