I suppose it's an addiction like an other - again,in Guard's words - is it worse then Eshes Ish?
I think the nekudah is someone is going to act out in a way that is non-consensual, which unfortunately is much easier r"l in the realm of pedophile. We wouldn't tolerate it if an adult was the victim either. But for anyone who is hurting, directly another person, no "just" acting w/another person - for them, it's rehab and shots and only then therapy + understanding.
Listen, the Gemara in Bava Basra says an unmarried man should not be a cheder Rebbe for this reason. Unfortunately, this has existed before. And I suppose there is hope for such a person as well, if they are willing to realize where they are, realize they are insane (not more then the rest of us, but their insanity is more dangerous to others) and get the help they need. Which again, must not be virtual.