Encounters with "No Politics! No Religion!"

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A short while ago, I wrote a page in my book on "No Politics! No Religion!".

Today, while searching information on the music composer James Horner, ran into the following quote on James Horner's Plagiarism List:

As long as religion and politics stay out of the discussion and members are polite to each other, there's no problem.

Apparently, when one discusses the body of work of the late James Horner, one is automatically afraid that the discussion would degenerate on those divisive topics, which are politics and religions.

Any more sightings?