P: equal treatment for men and women has given women greater opportunities, but this may be a disadvantage
E: Mustin and Marecek point out that arguing for equality between men and women draws attention away from women's special needs and from differences in power between men and women. in a society where one group holds most of the power, neutral actions end up benefiting the group with the power.
L: this suggests that we should avoid beta bias in order to ensure that significant differences are taken account of