Hermione Wrote:
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>
> This board is intended for the discussion of
> evidence: not speculative fiction.

Excellent.

I'm interested in discussing all evidence concerning the intended purpose of the GP.

Let's focus on that rather that tangential issues (means & dating of construction, causation & dating of cataclysm, etc.)

My thesis concerns the GP's purpose - for those who can countenance accepting its premise.

Of course my thesis is not speculative fiction. I merely suggest it may be best treated as such by those who cannot countenance accepting its premise.

Therefore, as you indicate, those who consider it speculative fiction should avoid participating in discussions of it.