I am currently watching Aliens vs Predator and I realized with all of this technology they have and the shear fact that they kill for sport. They are a bunch of rich Hampton playboys. They have no apparent skills at anything other then hunting and killing. You look at their claws and find they are not that adept at circuit technology. They have ships that obviously are big and technological yet they spend no time doing anything other then training. I suspect they are rich playboys who over centuries bartered what they had for new technology to hunt and now they have it. They are now happy being hunters. No need to advance their society. Just hunt and nothing more.