Comment: I think you might have nailed it.

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In reply to comment: How do we know that is really (see in situ)

I think you might have nailed it.

I was gonna say but then thought maybe there's some argument in Islam regarding the legitimacy of Jonah. However as descendants of Abraham, Islam tends to keep the same holy men retroactively. To me the destruction of the brithplace of Jonah would be right up there with destroying the ark of Noah:

it just made no sense. Unless it's not Jonah's tomb.

There is nothing strange about having a bar of soap in your right pocket, it's just what's happening.