Or saying playing violent video games makes you violent, which sounds familiar...

Of course pictures of gay people doesn't encourage being gay, but being gay is fine. Being a pedophile is not fine. If there is even a small chance that something will cause someone to be a pedophile, it's best to minimize it. We aren't talking about pictures of pedophiles, we are talking about what is, in essence, child pornography. Maybe 'encourages pedophilia' is not a thorough enough way to phrase it, but a 'dormant' pedophile is much more likely to become an 'active' one if they are consuming excessive amounts of media related to their interests.

I like this parallel. No joke intended.