I was very pleased to read this article by Dr. Austin!
What students need above all is to acquire the intellectual tools that will be useful to them throughout their lives so they can form their own opinions. The difficult process of acquiring these tools comes from the hard work of considering multiple sides of issues, learning how to walk in the shoes of others, all the while acknowledging the many biases to which all human beings are subject.
This concept of "Principled Neutrality" is a much appreciated position by those who desire the above described education for their children.
I am a parent of a current Deerfield student and an alum.