I have expressed my own opinion on the over-rep,citing copious objective evidence in support.

Evidence for a cultural cause can only be subjective.
I have accepted the subjective evidence of eminent people with knowledge and experience.
I have no subjective experience of my own to call on.
I can not and do not hold an opinion on that, however much hysterical shrieking you throw at me.
Sorry, but what else can be said on it Jim?

You are not certain yourself remember.
"How do you know with such certainty....."
"I don't;"