Metatron made an interesting observation about obsession.
When I was growing up, a family in our congregation made a point of not owning a TV. Whenever their kids were over, they were absolutely glued to the TV - mesmerized by it. Today, 2 of the 3 kids are no longer Witnesses.
On the other hand, I have four TVs in my house - all connected to cable, one big screen, plus every game console in existance, computers, etc. My son almost never watches TV - he can't be bothered. Instead, he plays chess and writes his own novels.
I honestly believe that prohibiting something makes it more attractive. Most activities are enjoyable only in moderation. If you limit your exposure, you become obsessed with it. If you have all you want, then you just enjoy as much as you like and move on.
The fellow in the article was probably underdeveloped emotionally and when he did get exposed to certain things, he become obsessed with them. The fault lies not with the entertainment, but with the inhibiting factor - his religion.