The statistical distribution is skewed by the guns. If he fought purely hand-to-hand more often, there'd be more data to know if he was higher on the list. But this was based on pure math taken from video records, so the shooty stuff knocked him down a couple notches, probably.

Which is the reason why a lot of the people high on the list are older; there's more data to work with.

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Geoff Depew - Darth Mephron
Haberdasher to Androids, Dark Lord of Sith Tech Support.
"And Remember! Google is your Friend!!"