Hobbit was 20% content and 80% filler. People were leaving theaters feeling indifferent. I've seen all three, rewatched only the first one at home and feel zero desire to sit through the other two again. For comparison, I've completely worn out my LOTR DVD's.On the other hand, most people have already completely forgotten about the Hobbit movies...
Maybe because the Hobbit movie was seen as more of a naked cash grab trying to capitalize on LOTR. As a fan of tolkien's work, I haven't even seen it despite the fact that Watson from Sherlock is Bilbo.
Also, for me, JJ's Star Trek movies have considerable "rewatch value". There's something about his style, sense of action and pace, that makes his movies enjoyable on multiple viewings. I hope SW VII will be no exception.