If your parents had been "wiser" which one of your brothers or sisters would you have prefered they passed on? What if it was you?
What do you mean by "passed on"?
There are conservatives who actually choose to use birth control because they can't afford to raise even one child because of circumstances.
That is irrelevant, and does not really matter. But for the sake of argument, they really were pretty stupid when they had me because they could barely support themselves and were in no position to be raising children. I managed to survive unscathed in most important ways and I'm happy to be here, but that does not reflect on the foolishness that brought me into this world. Stupid choices are not justified by good luck that mitigates some of the consequences. You are avoiding substance and trying to make an emotional argument.
In the case of my parents, they had a lot of "accidents" before eventually wising up, so it was more irresponsibility than anything. I survived the experience, so I can hardly complain, but they certainly managed to make a mess of their own lives in my opinion, an assertion that my siblings would agree with. On the upside, I think most of my siblings actually learned about what not to do since the choices of my parents were far from consequence free. In that sense, it was an excellent lesson on how to NOT live one's life. People with a different psychological profile would have fared much worse in the environment I grew up in, so in that sense I was lucky.