The point seems to be that global styles don’t generally make sense for text because you’re frequently going to refine them to the point where few or no propert

The point seems to be that global styles don’t generally make sense for text because you’re frequently going to refine them to the point where few or no properties are common. That’s a reasonable assertion, and I agree that avoiding global styles for text generally makes stylesheets easier to manage, but like the author, I have no hard evidence to back this up.