I agree with you that leaving unwanted kids "on their own" is a crime, and when that happens, there are legal means by which those kids can be removed from a bad situation. A kid who grows up with a single parent is not necessarily "on their own," though. Thankfully, there are also programs in place that help mitigate that problem by providing support to those who need it. Of course, those are the programs you and others in this thread want to get rid of because they require financially supporting the parents whose behavior you disapprove of. Can't have it both ways. If you want to help the kids and set them up to make informed decisions when it's their turn, you have to help the parents. Simply saying "don't have kids if you're poor" is all well and good, but does nothing to help kids who are already in that situation, which makes them more likely to make the same decision their parents did.
And I don't believe I expressed any outrage. Simply pointed out the forced sterilization program Twin and others in this thread have suggested would be recognized by most world governments as a crime against humanity, by definition. I wasn't throwing out a scare term. Anyone advocating for such a program is necessarily adopting the position that humans (or at least black humans) do not have the right to determine their own reproduction.
I wonder if said sterilization program would also be applied to well-off white guys who have more than 2 kids out of wedlock or if it only matters if the kids grow up poor and/or black. What about when it's a poor black guy who gets more than one woman pregnant, but the women decide to have an abortion (at least as long as that remains legal, I guess we'll see what happens there)? Is the man required to get a vasectomy because he got too many people pregnant? Or does it only count if the women choose to have the child?
And your anecdote about your teacher friend is just that, an anecdote. Do you know the context of the conversation? Were they literally talking about having the guy's kids? Or were they using colloquial language to say they wanted to date him? I don't know, but I doubt you do, either. I taught in a majority/minority high school for 10 years and never heard a similar conversation. Also anecdotal, but based on a much larger sample size than yours.