>>510248515 (OP)Political extremism, mainly. Women are already pretty far left and drifting further that way daily, but men are also going in that direction and have a long ways further they can go.
Remember that "left" and "right" have no exact agreed on policies and as political descriptors are pretty stupid, but when you think of them as "left = female-coded" and "right = male-coded" it fits perfectly.