You contradict yourself here. You say its not a preference or opinion, and then you reply with a preference/opinion.
You seem to believe that the RPG hobby revolves around you and your opinions.
I was trying to explain you by making clear the distinction regarding personal preferences of types of fantasy (you seem to think I was talking about) and the relation of the growth of the rpg hobby to fantasy generally (I was trying to talk about).
Regarding the second part...
