Signor Rossi, and any scientist or engineer working with him, is very well aware of what would have to be done unequivocally to demonstrate anomalous heat production.
He and they have assiduously avoided doing any of those things. For years and years he and they have turned a deaf ear to all pleas for proper instrumentation used properly, for proper control/dummy runs, etc., etc., ad nauseam.
This last circus was not a "demonstration". It was just an entertainment. Those who invest in Signor Rossi's blague (whether cash or simply belief) are doomed to perpetual disappointment.
So it goes