Original link which seems to have been taken down: https://www.vice.com/en/article/group-behind-steam-censorship-policies-have-powerful-allies-and-targeted-popular-games-with-outlandish-claims/
Update from the author:
A thing about how the group's goals are contradictory: Sex education is probably the best tool to protect children from sexual exploitation. So stopping sex ed aids child molesters, by making it easier to manipulate children.