^Burden of proof. We have several pieces of evidence pointing to not-Khan. We had only one statement from a cast member suggesting Gary Mitchell, with no corroboration. We have zero
evidence pointing to Khan, because rumors are not evidence
. Given a choice between multiple conflicting hypotheses, the one that has several corroborating pieces of evidence (including the actual name of the character in official press releases
, for gods' sake) is obviously preferable over one that has only a single unsubstantiated claim or one that has nothing but rumor to support it.