Seen two banned users so far.
1) Seem to be a rumor, no clear if they used public leaks or not.
2) A user that did the "coin" trick to get Nintendo coins again.
Why they acted like they did? Easy... Money!
So yeah kind of an extreme case for a cutting edge emulator. But they had to do these kind of things since Yuzu was a HLE application compared to LLE emulator (Which it seems like Ryujinx seem to be)
oh that used it once when assholes telstra my old IP started blocking pirating sites. only used it for short while before i dumped them and switched to fibre.