Hmm..I don't really think that is true. Even so,I think it will change with this WEC merger. WEC guys put on hella performances on a consistent basis...unlike UFC heavyweights.
If it wasn't for Brock...and now Cain. No one would give shit about HW's except for more knowledgeable,devoted fans of the sport.
Wait till the "casual" fans see guys like Scott Jorgensen,Dominic Cruz go hard at it every round of a fight.