It's just not good science. Why assume "most shoveling done by men" when you could also have "women are rate limited by arms that are on average weaker" for ins

It's just not good science. Why assume "most shoveling done by men" when you could also have "women are rate limited by arms that are on average weaker" for instance? There are plenty of other ideas to float, too. As a sibling poster mentions, I'd like it if they'd gone out & done a bit of surveying on this (send undergrads on a walk to record observations or something).