I rather feel it shows more that the self-styled "professional numismatist" from the US has never been to a proper conference at which real professional numismatists present the results of their research. We have them pretty frequently here in the Academy of Sciences in Warsaw, and in Cracow, Poznan, Wrocław etc etc...
Q "At which numismatic conferences have you delivered papers?"
Student Conference programme
A "None. Numismatic conventions normally do not include presentation of formal papers. [...] This question, I will add, reveals much regarding Mr. Barford's ignorance of numismatics.