Expressing disagreement as false lack of understanding, e.g. "I don't know how you could possibly think that."
This, more than the others, is a sign of a pernicious pattern of thought. By affirming that someone's point of view is alien, we fail to use our curiosity, we set up barriers to communication, and we can make any opposing viewpoint seem less reasonable.
This thread is for discussing anything that doesn't seem to deserve its own post.
If the resulting discussion becomes impractical to continue here, it means the topic is a promising candidate for its own thread.