'The Master said, “I do not open the way for students who are not driven with eagerness; I do not supply a vocabulary for students who are not trying desperately to find the language for their ideas. If on showing students one corner they do not come back to me with the other three, I will not repeat myself.”'

--Analects 7.8

If you were in China and were confronted with the top <0.1% of >1 billion, would it be worthwhile to try to teach the ignorant who are ignorant even of being ignorant?