But then don't we need to return the culture and parenting to the idea of, "No sex until after marriage/engagement/or at least long-term relationship"?

There is a 1% chance the condom breaks, which when you think about it is a high chance given that one is likely to have sex more than a 100 times over the course of a relationship.

If "sex = fun" as our society currently promotes and then it turns out for unwilling men that "sex = baby" then aren't we as a culture/parents to blame for encouraging boys to "go get some" and for heroizing men and women who have a lot of sexual partners?