Earlier quoted context omitted.
I agree with your view on the addictiveness of media, exept that the addiction has no root cause. My experience with alcohol and other substance abuse problems is that there is always an underlying psychological root cause. I beleive the same to be true of media addiction; excessive use to the point of "addiction" is escapism from some psychological distress.
I think this is completely wrong, our brains have reward pathways and someone could just as easily be escaping mild boredom rather than psychological distress. I have known a number of opiate addicts, including myself for a time, and in all cases it was triggered by a prescription due to an accident, or experimentation among otherwise exceptionally happy kids. In two cases this resulted in the person's death by overd…
To use your example of mild boredom: boredom is felt by everyone yet most people choose healthy choices over addictive behaviour. Is there simply some luck in how we are exposed to an addictive experience or do some people seek addictive rewards to overcome some greater pain?