“Maybe the rationale is that someday one of those children will be changing our diapers when were old...”
More likely, grinding us up for fertilizer.
Definitely a valid concern; as another FReeper pointed out, the survivors of abortion are now fighting in courts for the right to euthanize their parents. The intergenerational warfare will only get worse as young people condemned to McJobs watch older people (even in their forties and fifties) earn salaries and buy goodies far beyond their reach.
The politics of envy are ugly...