Most addicts of any type are not forced to become so, but that shouldn't make us less sympathetic to their situations, should it? Not many people are forced to use drugs or tobacco or alcohol or coffee etc, but they still get addicted.

I don't use fb or the other attention-mongering social media sites, so I feel you in not understanding how they are so addictive. But I am pretty sure they are in fact addictive to a lot of people.