Honestly, from what I've read Sylvain Turgeon wasn't exactly a bad playe, he could score, so I wouldn't say Lou got fleeced. Getting Claude Lemiuex from Montreal in return for Turgeon though was an epic move, that's why Lou is a hockey genius.
As for Verbeek, he quickly learned that if you even think about challenging Lou you're going to get bitchslapped pretty damn quick. Lou sent him to the armpit of the NHL to teach him a lesson. Lol.
I read a story about how Pat Verbeek tried to negotiate his salary with Lou after a breakout season and Lou would have none of it. He basically shut down Verbeek and traded him to Hartford for trying to challenge his authority. No matter what you think of Lou, that is just badass and that is why Lou rules.
Lou has absolutely made mistakes that have held this franchise back. We can't ignore this just because he had a lot of success earlier on.
Letting free agents walk
Not forfeiting the 29th overall pick (Kovy penalty)
Patchwork free agents (band aids)
Signing Cory without talking to Marty making it awkward for both of them
Whether or not you think he deserves a second chance is one thing but some of these should be ignored.
Parise walked out on the Devils, Lou didn't even have a chance to have a meaningful discussion with him, yet alone talk salary. Parise is a quitter in my eyes. Sorry. As for patchwork free-agents: Carter worked out well, Bernier has been great, Jagr was very good, and unlike most I do like when he signs former Devils because they know the system. It's smart. Every ex-Devil worked out pretty well, so I really don't get all the hate people have for Lou when he signs former players.
The man knows what he's doing and is an expert. So let him do his damn job and stop the whining.