Like Chesterton said, you never drink alone. Someone who drinks alone is trying to drown something. You never do it by yourself, because it indicates that there's some problem. Same thing with imbibing media. You don't do it just to pass time, and that's why you would always go with students, and groups of us would go.
Videos become a kind of personal pornography.
Not just sexual erotic, but also romantic adventure. There are different kinds of things that we allow ourselves to be sucked into, and this is where the simulacra can really work on us. In fact, it used to be, in the modern age, the way to change someone was through persuasion. You looked at logical reasons for why one would accept. He sees images as evil, because they seduce us.