I don't not understand various reasons why a therapist does not stray from the party line. What I don't understand is why their reaction (even if I grant that they may express a true one) matters.

I have known people (ranging from a very close friend to a student -both when I was a student and since I have been a teacher- to clients of mine) who made such a choice. Certainly I was not happy - but I can't honestly say I was devastated or unhinged in any way over the manner of passing. Cancer or car wreck would have induced the same degree of sadness for my close friend. The others it was more of a general that is too bad - but I personally was not distraught. I don't consider it to even be my place to have been such. I feel the same way about the therapist. It just is not their place.