Defenders of the necessity for teaching things at a steep 'learning curve' likely faced their own when it was exploratory, leisurely, and loved. Now they promote because they profit greatly or bask in their own self-achievement from having undergone the test and been found able.
Praising women for their ability to 'multi-task' serves similar purposes -- continuing to exploit female gullibility with an insincere pat on the head, and irritating male pride into 'proving' no woman can show up a man.
Divide and conquer. More for less.