The specifics of the complaints are instructive of the intrafamilial content that we see frequently. They will eventually lead to the dissolution of the family and Nephi separating himself and those who would go with him from Laman and Lemuel.
Laman and Lemuel are described as favoring Jerusalem, not just as a place, but as an interpretation of religion. They represent within the family all of the reasons that Lehi was commanded to leave. They even represent, at times, those who would have slain Lehi.
Most important of their complaints is that had they remained they could have enjoyed their possessions and been happy. Because they never lived through the Babylonian destruction of Jerusalem, they never understood that the life they had lived would have been taken from them anyway. They could see their own current difficulties, but could never appreciate the difficulties from which they had been saved.