Since they were apparently in a sort of rubber dinghy too many bullets and everyone would have gone to the bottom.
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"Well, I believe a certain Macedonian started from Persia, did he not? Stopping only when all the known world had fallen?

No, he started from Macedonia, Amos. And that's more than 2000 years ago anyway.
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Tony Blair has now said that the sailors definitely weren't in Iranian waters when they were detained. And as he told us once, he is "a pretty straight sort of guy".

I think that definitely suggests that the Iranian claims about them being on the Iranian side of the border should not be dismissed out of hand.