"There is nothing "coincidental" about genetics. Not only can it be determined if he was Causasian through genetic testing (if genetic material exists), but it can also be determined if he was Caucasian from an analysis of the remains."
Did you even read my post? Genetic analysis was done and showed he was not closely related to any existing race.
They could also determine his "place of origin" by analysis of the oxygen isotopes in the teeth.