That's literally the point of the thought experiment. Thought experiments are mostly nonsense, the point is to help differentiate different phenomenon through extreme, contrived examples. The point here is that despite knowing the entirety of the corpus of knowledge about colour vision, she still doesn't know everything that there is to know about it if she hasn't actually experienced seeing the colour red.
> The point here is that despite knowing the entirety of the corpus of knowledge about colour vision, she still doesn't know everything that there is to know about it if she hasn't actually experienced seeing the colour red.
But that isn't the point being made in the article. The point being made is that this is somehow non-physical, which is obviously wrong:
Thus, argues Jackson, Mary has come to know a non-physical fact; so proving that not all knowledge is physical.
