So it is. However, I fail to see why the book is inappropriate for classroom use. If the ideas contained within make someone uncomfortable, what will we say when that principle is extended to science class, to rule out uncomfortable theories? Or history class, to omit uncomfortable events or the interpretations thereof?
Someone has to decide what to recommend to the children. In a more perfect world, it would be the parents by choosing what schools to send their children to. Unfortunately, the government has forced people into their schools.
Is the complete works of the Marqui De Sade appropriate? Someone must decide.