>>713107380AM2R was very unfortunate timing as Nintendo has Metroid 2 remake on works for 3DS the same year.
Nothing else comes to mind except some Smash tournament meddlings but as a Melee player, I can confidently say it was sadly community fucking up and not making proper plans in the end. The first time they tried to block EVO 2013 was retarded tho and thank God they walked it back.
Imo Melee works better as grassroots anyway.
But yeah otherwise it's people trying to make money with "fangames" that use assets from Nintendo games and same name in general, or tries to make money with Switch emulators/hacks, or pushes out emulators to play leaked games early(TotK for recent example).
If there was PS5 emulator in wide use and Wolverine game leaked early and you could play it for free early on your emulator, I have a feeling Sony would sue hell and back the emu devs.