It's not a question about whether Nintendo wants to stop it, but whether US copyright law gives them the power to stop it. It might; but it also seems quite possible that Nintendo would prevail merely through intimidation rather than by having the law soundly on their side.
> piracy
It's an emulator for consoles (wii and gamecube) and games that you cannot buy from Nintendo
You’re saying that Nintendo should be able to take things down for… competing with them?