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"This article only reinforces the increasingly empirically proven fact that the child-free are able to outrun, outwork and outscrew the breeders around us. For the sake of yourselves and your children, please keep the hell out of our way."
Wow, what an ugly sentiment.
First of all, nobody forced you to read this article. Secondly, I question your assertion that the child-free can "outrun" those with children. Many world-class runners, especially marathoners, are faster after children than before. There's medical evidence that having children improves a woman's cardiovascular system. (I personally am posting PRs, now that I've had my second.) There's even evidence that childbirth improves a woman's brain function and raises her IQ a few points.
As for the assertion that the child-free "outwork" parents, are you calling your own parents lazy? Remember them? You wouldn't exist without them.
So you don't want to have children. That's OK. But that doesn't give you any grounds to be so filled with hate. I feel sorry for you.