What else needs to be known?
There's still the open question of what makes the coding style distinctive, so that one might know when it's appropriate to apply the label to code not written by Graham himself and/or how to identify code which the label doesn't apply to, even though it was written by Graham.
Do you think PM should be used to publicly criticize a CPAN author with working modules?
Where do you see any criticism of, well,
anyone in the opening post of this thread? All I see there is "Hey, guys, I ran across a brief reference to an obscure inside joke. Can someone explain it?"