The South Korean approach is far from rational in these matters though, I'd imagine stuff like this causes significantly more harm to these kids than their supposed "addiction".
Read up on KSCS and the internet censorship there.
https://www.eff.org/deeplinks/2011/08/south-korea-only-thing... There are more articles on the eff about it.
According to the article it sounds like it's just a camp with no Internet and the kids do other things for fun. The horror!
It's no news that South Korea is one of the worst countries on earth regarding internet freedom, probably only behind their northern neighbours.
The gaming thing is just used to push even heavier censorship and controls on the internet.
And yeah, forcing kids to go to a rehab camp because they play too much videogames sounds pretty horrible.