If anything, people make kids to extract immense satisfaction out of it.
But to think people will not have kids because of the "debt" philosophy is unrealistic. The truth is, most people would not even have sex at all, were it not for the massive instinctive drive. It's that much of a hassle to find and hold a partner, even more so have kids, and that's not even taking your relationship with your kids into account. If one is daunted from having kids, their train of thought will not even reach the debt part.
Most people are at "lukewarm" level with their desire to have kids.
If you add the idea of "getting into debt to your children" to the mix -- it tilts the balance to "let's postpone having kids until later" (that "later", usually, does not arrive).
But to think people will not have kids because of the "debt" philosophy is unrealistic. The truth is, most people would not even have sex at all, were it not for the massive instinctive drive. It's that much of a hassle to find and hold a partner, even more so have kids, and that's not even taking your relationship with your kids into account. If one is daunted from having kids, their train of thought will not even reach the debt part.