I didn't understand your question. Do you wanna know if the colored button on games are real? Because they are, super Mario rpg remake previews confirmed.
Do you wanna know what colored buttons has to do with switch successor? Well, you can blame the GameXplain channel for that. They started that speculation, and all the other YouTubers followed suit. We had a thread for it actually, didn't we?
A tad harsh, but I can’t deny you are basically spot on.
A fairly obvious observation made and put into a GameXplain video, that other Youtubers picked up, thinking it was an actual rumor, that’s now getting turned into a thread on neogaf, yeah it’s a bit ridiculous.
GameXplain actually made pretty clear in their video that it was just a theory that the guy that made the video just thought was interesting, and he just had this idea that maybe Nintendo might be planning this color-coded thing. There’s a lot of holes in that theory but anything is possible, since we don’t know anything about the successor at all, essentially. Not officially, anyway.