That's not why. The whole "war on women" narrative is an important part of their next move.

They have to convince people they are under threat so they can get enough of their plants elected.

If she really couldn't define woman because it would be political, she'd have said that everyone should be treated equally under the law - but women don't agree with that, equality would be a huge step down.

You shouldn't need to know what a woman is or what a man is to write law. Gender should be irrelevant and every law should apply equally to men and women (but they never, ever do). Nobody seems willing to upset the status quo of female privilege, at least for now.