>>213971626
They had differing ideas for what was going on at the ending. On one hand, they wanted the xenomorph to have a short life cycle and its current form was dying. Which could have been that since it was a fresh newborn it was violent, but when it changes forms, it becomes more docile and intelligent. They usually have adult xenomorphs to guide them. It was annoyed by the blaring alarms, steam, and lights and went into the peaceful shuttle. Or it was tired and going into hibernation. They ended up just leaving it mysterious alien behavior why it went and crawled into the piping of the shuttle.