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Nintendo Targets YouTube Accounts Showing Emulated Games
(www.retronews.com)
Vintage gaming community.
Rules:
If you see these please report them.
Buy a game more often if it's directly on your OS and less if you'll have to play the Windows version, with indies and very small publishers you could openly request a build for your OS, or at least leave more positive reviews for games with a build for your OS than ones that don't.
TL;DR make it obvious that there is demand, rather than using a virtualiser and depend on the other system.