Years ago Eric Alterman, I think, had a good line, something like "I don't know why they want poor women to work more and rich women to work less." The basic point is that conservatives think it's really important that poor single mothers work - unclear how their precious children are taken care of - and that rich married women stay at home. More generally, I just don't know how conservatives expect children to be raised well in homes experiencing severe poverty, no matter how well-intentioned the parent(s) is/are. It's almost as if they don't care...
And, yes, this point has been made 12 billion times before.