Nintendo has pulled the nuclear option, taking down all forks (8535 of them!) from GitHub:
It's getting messy. Seems unlikely a firm will take up the challenge of establishing what is and is not copyrighted and the DMCA gives all the power to the money.
Nintendo's latest DMCA takedown notice eliminates 8535 Yuzu emulator copies in one go
A little under a month after Nintendo successfully brought an end to open-source Switch emulator Yuzu, the company has …
www.eurogamer.net
It's getting messy. Seems unlikely a firm will take up the challenge of establishing what is and is not copyrighted and the DMCA gives all the power to the money.