They have "discriminated on circumstance". Due to structural factors like losing superannuation and workplace advancement due to biology, women are disadvantaged as a group to start with. When it comes to housing, especially after a relationship breaks down, women are the ones who generally have much less resources to start over. This is a structural and societal problem, so if you want "equality" learn about the backpack of privilege and start acknowledging structural biases that discriminate against women.