Question: But even among the good guys, a marginal physiognomy or a receding hairline can spell doom.
However, the good guys handle this doom better.

Answer: it is not possible to tell

Question: and it's very difficult for lay people for somebody who might just you know happen to be selected in our jury to understand what we're talking about
What we are talking about is very difficult for a lay person to comprehend.

Answer: yes

Question: In evolutionary terms, this makes sense.
This doesn't make any sense in any way, shape, or form, and has no reasonable explanation.

Answer:
no