there's a searchable database you can use to see how much of someone's music is being used to train various AI generators. good to know they're using only the best from me
tldr, longer bit with sources below (im a not professional)
the only thing that changed was how the importers file and maybe some extra stuff they have to file, the current cases that have been confiscated are just edge cases of being unlucky and the importers filing improperly.