If it's in the game it's fair game. Cheating in video games is using tools to make decisions or inputs for you, outside reasonable disability accommodations. Or unsportsman things like ICMP flooding.
hmm, what about explicit bug exploiting. like something they used to call halo jumping or bayonet jumping in older call of duties. it would let you stand outside of the map and shoot people that couldn't see you.
it was in the game, it took skill and knowledge, but it was also definitely cheating in my book. I used to do it just to show off. never to win a match. i would do it then run around where i knew there were invisible walls so they could see me and get confused but not shoot me.
How would you even cheat in Mario Kart? Unplugging the other players controller? Which you can't even do on a Switch... 😩 Damn... Thinking about that I realized that many modern games will lose that neat trick of using a secondary controller port to do special things like fight Psycho Mantis in MGS1 easier.