I look at certain naming schemes and correlate them with performance. I do this with ROG for Asus and Classified, for example, with EVGA.
You don't have to think the same way, but this is my perspective.
Not once did I say the others weren't for gaming. Putting words where they weren't will not get your point across.
You flat out said that nothing but the very highest end cards should be in the Gaming Brand. I put no words in your mouth and quoted exactly what you said. Your statement means that nothing but the highest end cards should be in a gaming brand despite the fact that the highest end cards are the smallest part of the gaming market.
I'll give you an example of how stupid your statement was. Based on your statement, only the Ryzen 1800x and maybe 1800 should be branded Ryzen because everything else is slower and/or fewer cores.