Laughs aside, clearly there's a conflict of interest here. While I'm sure the vast majority of archeologists are ethical, it must still add some amount of unconscious bias to a question that already depends so heavily on interpretation.
Similarly, think about all the academic careers built on 'disproving' that Shakespeare authored his plays--which is especially troubling because so many academics put so much importance on their own college degrees they just have to chip away at the reputation of someone who didn't have one...