That and it was more culturally acceptable at the time to market R rated films to children than it is today. You had animated series based on very adult movies like Robocop, Rambo, and Starship Troopers. An Aliens one was planned as well. They would do different designs so they could sell more toys. But hey the expanded universe has always had crazy stuff, the Kenner lines hold some serious nostalgia for people. It was one of the ways I was introduced to the franchises.