Cal's essay is backed by empirics. I'd add that, for those like me who used to believe that women are better multitaskers, both men and women are equally bad at multitasking. Early studies would sometimes show a female advantage or a male advantage (not sure why the female advantage idea came to be popular), but they were based on humans performing tasks that didn't resemble the real world... or at least tasks from the world of business/office work.
A newer study, based on a real world task of meeting preparation, showed that both men and women were quite bad at multitasking: https://link.springer.com/article/10.1007%2Fs00426-018-1045-...