Tyler Durden is not one person, but many. It's a group of low-ranking Wall Street insiders all hiding under the same alias as they squeal on their bosses.
This particular author lost $90K. So his thinking might be influenced by his loss. Like Celente, he is probably very angry.
I don't think TPTB want to destroy faith in the system. They need willing victims. My guess is that this chap's perspectives have been colored by winning trades that suddenly died on the vine for him.