I guess you missed the news on the front page of MMO champion when Firelands had between a 2% and 16% exposure rate, forcing Blizzard to rush LFR in to make raids more economically viable again.
A lot changed since WotLK. There's still less and less players running Normal. Most of the exposure of their raids is through LFR. If LFR gets axed, then there's no point in making raids any more as no-one will see it.
Don't cut your nose off to spite your face.