I imagine Ryunjinx is next
If Nintendo were against ALL types of emulation they could (and would) have gone against all the other emulators that still exist. But they're mostly focused on shutting down for-profit emulators, so that's why they targeted yuzu.
https://www.thegamer.com/nintendo-defends-dolphin-lawsuit-sa...
Nintendo Defends Legal Action Against Dolphin, Says Emulators "Stifle Innovation"
and my favorite: "While we recognize the passion that players have for classic games, supporting emulation also supports the illegal piracy of our products. Wherever possible, Nintendo and its licensees attempt to find ways to bring legitimate classics to current systems (via Virtual Console titles, for example)."https://en-americas-support.nintendo.com/app/answers/detail/...
So does the original Switch which is trivial to hack and dump games from.
Of course people shared them publicly, are you thinking of one of the unaffiliated github accounts that reposted them?
That's part of the reason why it costs millions of dollars to build half a mile of light rail and such.