Maybe there should be some suggestion posting guidelines, i.e. explain exactly how this would benefit other users OTHER than yourself?
It seems this guy's only intention is for his own laziness of not wanting to type. How can this possibly be of any benefit to other users? I can't see it. So yes, I come out and say hey look, it's not going to happen.
Auto complete between every word in a buffer? Could you possibly name ANY other piece of software that has this behavior? Any other IRC client? Any other messaging client? Where did this suggestion come from? Nowhere.