Free of personal moral,ethical and emotional thinking. Then you get a true picture of any issue. Those with issues on how this teacher conducts education need to look at themselves. Their own hang ups,guilt,shame etc. The teacher is not the problem here.
Remand of Meir Ettinger, Israel's most wanted Jewish terror suspect, extended (Haaretz)
from the article: U.S. teacher's assignment to students: Explain why Jews are evil