No one was trying to lambast people for not having children. What was posted was something about broad demographics, not focused on the individual. People's choice to procreate is not at issue here and is a very private matter.
I thought so too, until someone chimed in who made it personal. :)
"Today, [the American voter] chooses his rulers as he buys bootleg whiskey, never knowing precisely what he is getting, only certain that it is not what it pretends to be." - H.L. Mencken