Work-family conflicts--the trade-offs of your money or your life, your job or your child--would not be forced upon women with suchsanguine disregard if men experienced the same career stalls caused by the-buck-stops-here responsibility for children.
The risk for a woman who considers her helpless children her "job" is that the children's growth toward self-sufficiency may be experienced as a refutation of the mother's indispensability, and she may unconsciously sabotage their growth as a result.