Utter nonsense. Women in many professions work insane hours, from lawyers to investment bankers to chefs. There is no physical or mental reason they shouldn't be just as successful.
Jesus Monty, you're such a dinosaur you make me feel like a SJW.
Yes, apart from the whole "having babies and being biologically less predisposed to hard work" things, there are no physical or mental impediments to women working their ****s off and climbing the greasy pole.