it's even worse than that. an adult meta questioning their addiction is much light than some kid being pulled into a grindy game that is often violent AND competitive; which by now scientific literature already knows it reduces pro-social behavior [0]
when i was 10, an old neighborhood showed me how the late game of Tibia was like and how that wouldn't ever change and how dumb i would be if i not paid the premium account, which would lead me there much faster and being obligatory if i wanted to make war/pvp. i politely refused invitations for playing WOW when i was in high-school with other friend i made and i'm greatful for that. i would never read so many books and watch so many films on that timeframe if i was grinding levels on the same area killing the same monsters, watching the same animation