You could be right, but i thinks its wrong to say that there wasn't any CP on there. They probably weren't able to check all the millions of videos that were uploaded every year, nor did they care.
It wasn't just right-wing conservatives though.
When videogames were a new concept to most parents, it wasn't initially wrong to be concerned about the violence. Nowadays we know that it's not really a problem and the people who are still against it are mostly right-wing conservatives.