Don't know what this is. I teach math and my students find a lot of it objectionable. Everything is objectionable to someone. Hopefully the syllabus and course title will be descriptive enough that this subjective notice is unnecessary. I consider this pandering.
All material is theortetically objectionable to someone.
People unwilling to consider other points of view should not be a part of the Univeristy experience. I have never had this issue. No material in my course is objectionable. There is something objectionable for everyone. You must be joking.