How can we be sure of that? Rossi's number one fan says Rossi's demos are non-scientific and that he sucks (Kevmo's word) at giving them. And have they come out with a reason why the output was only at half rating? Perhaps the generator wasn't big enough.
Or you must assume that they were incompetent fools.
Shills and nutballs is more like it.
Edison found plenty of customers for his lightbulbs. That was in a time before Einstein had a chance to pontificate.