Because they are more stronger and can be sometimes useful and useless at the same time but they can be sometimes nice and sometimes bad and a lot of men always do there work 24/7 and some women too.
Explanation- Although men are considered to be physically stronger, not all work requires hard labor. I would say that most jobs require other skills, and it is unfair to say one sex is better at working than the other. Women have excelled in many areas, however, that doesn’t make all women better at working than men.