"In short, while the one-parent family is indeed far more common now than it was then, it is more common now because more children get to grow up with at least one parent, rather than being deprived of both parents and expected to grow up in an institution. Though OSC decries it, the one parent family is a product of a rich and advanced civilisation that can afford to support a parent as she (or he) carries out the vital duties of parenthood alone."
yonmei's dissection of Orson Scott Card's lying piece of bigotry concludes here. Check it out, it's good. 