Its rather simple: audiences were disappointed with what ENT was doing (for among many reasons--the points I covered earlier), criticized and stopped watching it, naturally leading to a drop in its already meager ratin
So, again, for the third time, can you actually establish a causal relationship here or are you simply stating your own perceptions as fact? You have listed some audible complaints from a minority of the fanbase and observed the fact viewing figures went down. That isn't the same as demonstrating a link between the two.
On the contrary, the pattern fits the fatigue model very well.