You can rip your own games for the Switch. But I don't think there's anything morally dubious with buying a copy and downloading a ROM to play on your emulator.
Many people I know just buy the game (because game devs need to eat) but prefer to play on an emulator because it provides an objectively superior experience. Increased framerate and the ability to manage your own save files is enough to justify using an emulator.
Many people I know just buy the game (because game devs need to eat) but prefer to play on an emulator because it provides an objectively superior experience. Increased framerate and the ability to manage your own save files is enough to justify using an emulator.