Yes.. so when a lot of people complain about content.. you don't make more of it. I don't understand your point then. It was greatly disliked.
That.. is not a lot of people I'm sorry to say. If instances aren't being filled then it's pretty dead content.
Like I said.. you enjoy what you enjoy. But in general people did it for the rewards, once if at all, then abandoned it. You don't make more content for a fraction of a fraction of your playerbase. Especially when that content is basically another one of your games anyway.