If your bar for "bad idea" is that every single person that has ever partake in that decision, is worse off. Than your CMV is literally virtually irrefutable, because that is impossible standard to reach.

I noticed some people treat "imperfect" family types as if they were wrong and flawed by default. Hence the post.

Simply because average kids from richer families are better off in every concievable ways, than the average kids from poorer families.

Better off in terms of opportunities that can be obtained with money - yes.

However you cannot change your financial status so easilly, so it's impossible to hold poor people to that standard. However everyone will become adult. It's objectively better for overwhelming majority of people to wait till at least their 18 birthday to have kids.

Well, sure, but if everyone (who is supposed to have a normal life span) reaches adulthood, then teenage mother won't be a teenage mother for too long. She will grow up and - hopefully - mature, while raising her child.

On the other hand, if you say it's not that easy to escape poverty, and we know it is statistically worse to be poor, then why not "holding them to that standard"?

Of course you can say that in case of a teenager she would just have to wait, because - why the hell not? Not that big of a deal, right? As for the poor, they have a constitutional "right" to breed, no matter whether it's reasonable or not. But then again, what if a poor teenage girl wants to become a mother exactly due to that kind of mindset?

http://prospect.org/article/dubious-conceptions-controversy-over-teen-pregnancy

addendum, I don't think you understand what average means.

The post is not about average. Maybe the title is misleading, the content explains my POV better.