This is why, even though I find it unlikely that (for example) there is any meaningful causal relationship between access to abortion and academic performance, I believe that those who oppose abortion should not discount the possibility that its proscription will have consequences that some of us would otherwise regret. To insist, as opponents of abortion often have, that the economists John Donohue and Steven Levitt cannot be right about the correlation between Roe and the reduced incidence of crime two decades later strikes me as a tacit concession that if they were right, our position on abortion might have to be altered.
For the same reason, opponents of abortion should commit ourselves to the most generous and humane provisions for mothers and children (paid family leave, generous child benefits, direct income subsidies for stay-at-home mothers, single-payer health care) without being Pollyannaish. No matter what we do, in a post-Roe world many children who would not otherwise have been born will live lives of utter misery, and many of our fellow Americans will be indifferent to their plight. If we wish to dispel the noxious argument that only happy lives are worth saving, we will have to be honest about the limits of social policy and private charity in regulating the turbid ebb and flow of human suffering.