Those poor kids have learning deficits. The "well-off" kids often have morality deficits.
A mom or dad raising them properly might help them more than being Student #642 in a government childcare facility.
This isn't an argument against childcare. My children attended preschool for 3 years before Kindergarten. But I'd rather that people got equal support to have a stay-at-home parent so that people can choose.