long ago, Ezra let me guest post over there on PO, so this is a relatively new position for him.

they don't want to be wrong, same as the media and the politicians, because they want to maintain their supposed cred.  

they don't want to be wrong [about PO], ... they want to maintain their supposed cred.

So ... better dead than a little less cred?

(And I thought these people knew how to multiply risk against potential gain (or more importantly, against potential loss of our entire way of life).)

Let's see:
a=Risk that PO is wrong= close to zero but still finite
b=Absolute value of loss of cred= close to zero but still finite
c=Absolute value of loss due to being unprepared for PO= Priceless

So according to the econo-heads:
a*b >> (1-a)*c