I think that an argument could be made that the time for a passaround and constructive criticism is BEFORE you become famous.
Exactly!
He is a very small operation and is probably better served actually making the knives that he apparently does not have any trouble selling than doing passarounds and dealing with all the potential negatives that could entail. If he and his customers are happy with the product, that is all that really matters. Alot of the posts seem to implicate that he has not done his homework or had his product reviewed. That is probably not the case, it was just probably not done by a bunch of strangers (to him) on a public forum.