Gender equality rule - Divisions by zero

Perhaps it’s not related to gender and is perhaps related to some other reason

The image provided in comments shows its a beach so maybe its to prevent hypothermia ?

How exactly would wearing a bikini top prevent hypothermia?
You’ll look better. Bikini top really shines on a blue background
At least until the rigor mortis advances, then you won’t really be able to make out the bikini from the ichor.