I hate the makers!
They just want more and more seasons without providing any real content. 3 seasons of people being trapped in a strange place and guess what changes in those 30 hours of runtime?? Not a single thing. No progression at all. The story and people are just frozen there without any real reward.
It's nothing much different from the older series the makers produced "lost". It also went on for 11 or 12 seasons which could've been finished way earlier. It's this obsession they have. They just can't make it short and meaningful.
