Honestly we would have a much calmer well ordered society if better sex ed and free contraception was available. I simply don't see how having a bunch of broke uneducated people spitting out babies in tumultuous relationships makes society more "conservative".
Here's your answer (and I'm surprised that someone with the username "mencken" couldn't have come up with it on his own).
Obviously I whole-heartedly agree with the logic. I just find it odd that there are scarcely any figures advocating such a position.