Let’s pretend that Morgenstern told you that he was an atheist. What would have been your reply? What if he would have said that he was an evangelical Christian?
Then the thread should remain in GQ. If people misunderstood your meaning as I did, then you weren’t witnessing and your posts were fine. If you were witnessing, the mode note seems appropriate and the thread still belonged in GQ.
In some circles, there is belief that archaeology is bogus, as God placed everything where it is only 4,000 years ago or so to ‘test’ us. Or something. So requiring proof from a source that is not considered valid by some, is like citing the Bible as irrefutable proof of the others’ points of view.