I interpret it as related to expert-at versus expert-on. If you assume that an expert-on is always an expert-at, then someone explaining something they can’t do is clearly not an expert.
I’m not sure that assumption is true, though I could believe it’s a useful rule of thumb.
I interpret it as related to expert-at versus expert-on. If you assume that an expert-on is always an expert-at, then someone explaining something they can’t do is clearly not an expert.
I’m not sure that assumption is true, though I could believe it’s a useful rule of thumb.