[Westbrook]

> Well, I’m guessing that she is not relying on something
> somebody wrote down in a book a few thousand years ago.

No, she is relying on conjecture masquerading as hypothesis.

[John Valentine]

You use the word conjecture inappropriately. Here is an appropriate use:

Your statement denigrating the researcher’s efforts and achievement is based on conjecture.

[WhiskeyX]

“No, she is relying on conjecture masquerading as hypothesis.”

No, it is an observable and measurable property.