The people we label addicts constitute a heterogeneous population. This a fancy way of saying people are individuals. They log on and off of the Internet for diverse reasons, in diverse ways, and with diverse consequences. There is no evidence that Internet addiction exists, much less that it is a disease. Since it is not a disease, it cannot be treated.
Many people think that therapists are crazy.
These are ethical endeavors, not medical ones. Res ipsa loquitur.