You're probably right - but these political groups don't give a shit about the needs of all women. What about the millions of women who choose to look after their own children while their husbands go out to work? Their financial needs are completely ignored by the tax, tax credits and benefits systems, unlike nearly everyone else.
I think things are slowly moving in the other direction here - ISTR a govt minister admitting the NHS spends 8 times as much(!!) on women as it does on men...