Any non-conformance is eqivalent to any other non-conformance, and tolerance of one equates to tolerance of all. This is essential to their worldview.
It is enlightening to read up on the psychological studies of these personalities. They can be demystified. There is a kind of logic to it, though it is the product of particular kinds of experiences, and subsequent premises about the world, which conflict with those of people with more open and tolerant worldviews.