You're likely thinking of Yuzu which was a switch emulator. Nintendo probably targeted them because they were about to launch the switch 2 and wanted to send a message.
You're likely thinking of Yuzu which was a switch emulator. Nintendo probably targeted them because they were about to launch the switch 2 and wanted to send a message.
It being a Switch emulator certainly didn't help. However, the primary reason Nintendo went after Yuzu was that Yuzu devs were openly accepting payment for special updates to run Tears of the Kingdom. TOTK was, at the time, only available because of a leak and had not officially released.
They also shut down Ryujinx at the same time by simply pressurimg the creator. So it was just an excuse they used.
This is misinformation spread by the lawsuit. It was a 3rd party fork that added the code to make TOTK work before release (GPL software and all that). And the payments were orthogonal to Nintendo’s claims that the emulator was illegal, only a part of them saying how much damages they were owed.