A major aspect of parenting teenagers is about establishing boundaries and instilling an appreciation of consequences. I was simply pointing out that if the adult teenager plays the "it's my computer" / "it's my life" card, then the parents have cards they can play.
Letting a child, adult or otherwise, play video games 8 hours a day, is not going to have a positive outcome for the child. I have great sympathy. We were very permissive parents and our kids were not in a good space, mid-teens. We now have much better relationships with our kids, and they with each other. Fortunately we could afford counseling, coaching and group coaching. Establishing boundaries and consequences was step one.
Letting a child, adult or otherwise, play video games 8 hours a day, is not going to have a positive outcome for the child. I have great sympathy. We were very permissive parents and our kids were not in a good space, mid-teens. We now have much better relationships with our kids, and they with each other. Fortunately we could afford counseling, coaching and group coaching. Establishing boundaries and consequences was step one.