Did she introduce them in any sense other than to discuss why they're now considered incorrect?
It was a while ago. What I remember learnign from that was that even smart folks can be misled by their prejudices, but then I always thought too much into things.
I don't get a sense from this article that this professor took a stand one way or the other. I do however get the sense this wasn't the normal circulum and was something extra.
I for one don;t think a student can be corrupted by exposure to diiferent ideas. On the contrary, I think even wild ideas help develop creativity.