https://www.nbcnews.com/health/health-news/who-adds-gaming-disorder-disease-classifications-n884291
I agree that it can be a disorder. The article compares gaming disorder to gambling addiction. You can gamble without having a gambling addiction and you can game without having gaming disorder. Gaming disorder is specifically a label for an unhealthy addiction to it, which does happen. Not all gamers have it, but denying it happens at all doesn't do the people that have it any favors.