I've been to a few lectures by famous fishermen. My favorite was not because the guy was good, but because he was so dang bad. He talked in a quiet monotone, mostly about stupid family stuff, friends and other stuff nobody gave a rat's butt about. It was my favorite because the two people I was there with and I started taking bets on who the next person to nod off was going to be. There were people who's heads would start drooping and then get that sudden wake up snap.
People who had lost the battle and were drooling down their chin. It was a train wreck. If I had not been there with wise cracking jokers like myself it would have been the worst waste of an hour in possibly my whole life. I watched the guy put more people to sleep than a case of Sominex.
Just because a guy is famous means pretty much nothing to me. There is a famous guide and tackle rep I was on a TV show with. I agreed not to disclose who and what show, so all I can say is that it ruined me on almost all shows. All of the fish were caught at least twice. One was caught after it had joined the choir invisible. In fact the 'Ex' fish made it into two episodes.
There was a guy who wrote an article for a big time fly magazine on Smallmouth. He quoted his own book numerous times. I had never up to this point felt compelled to call BS on an article, and have not since, but I did on that one. In the conversations I had with the editor and the author following my extensive "you are full of BS" letter, it became really clear that the author was a good writter, bad fisherman with a propensity towards google and belief in anything he saw on the web.
There is a guy who shows up here on this site once in a while, spams the heck out of us, puts out a pile of bad info and then has his posts removed for major spamming. His book, if anything, like the bad info he has tried to infest people with here, is best used for fixing a short leg on a table. He is a guy who can write OK and went with a guide one or two times a year, (he spammed us for the guide/lodge to) and then thinks that means he can write a book.
So before we go jumping on a guy as 'bitter' I'd need to see what the guy actually did. Maybe his talk did stink on ice. Having worked for fisheries for more than a dozen years on one of the best fisheries in North America, I have meet more than my fair share of 'Famous' fishermen. Very few of them really impress me. Many of them say or have said things I know are flat out wrong. There are guys right here on this forum that know more than most of these famous guys ever will.