Just last week, on Tuesday, February 26th, 2024, news broke out about the Yuzu emulator team being sued by none other than Nintendo themselves, with Nintendo claiming that the emulator apparently allowed users to play certain games early (due to street dates being broken) and also allowing...
I'm sure something else will eventually come along. The only way to stop emulators from existing is to not have a system at all. I.e., if Nintendo were to stop making video game hardware, then there would be no new emulators except for ones developed for previous/existing hardware.