I think, in theory, it was a good move. We'd just come out of the worst two years we'd had in ages; Stuart was a bloke who had won a premiership, had experience, and looked like he was on the up and up after rallying the NSW boys to come within a hair's whisker of ending the maroon's winning streak. It also looked like he'd be able to entice a couple of big-name NSW stars to the club. I think it was a decent move for our club to make.
Well, we all thought the Kiwi coach would entice Kiwi Test stars over to the Eels...
I think there are a few core areas a coach needs to be able to excel in, and (in no particular order) they are: youth development, mentoring players, and recruitment.
Now, Stuart has shown he has a decent ability to recruit players. For the Eels alone (notwithstanding get out clauses and whatnot), he signed Nathan Peats, Lee Mossop, Corey Norman and Justin Hunt. Hunt is a decent back-up player and Nathan Peats' game time only suffers because he is stuck behind one of the game's premier rakes in Luke. Mossop is an English Test player. Norman was the Broncos' best attacking player and is young and seen as a tangible replacement for Darren Lockyer's jersey. So, all in all, some decent recruits.
And he showed he could attract good players at the Roosters and Sharks, too. So Stuart is okay at recruitment.
Mentoring players (including getting the best out of his players and making them by into his vision) and youth development are areas where Stuart fell flat on his merkiny face. He failed to do anything of note when Fittler retired, and I don't think he achieved much outside of one solid year at the Sharks. He seemed incapable of unearthing quality young talent and struggled when his team didn't boast a strong roster (again, outside of one freak year at Cronulla).
I thought from day one that Stuart's appointment was a strange move, but bought into his hype and supported him, being our coach and all. But the terms you used ("experienced", "Premiership winner" and "Origin") can also be attributed to Michael Hagan...And Hagan was the worst thing that happened to the Eels ever IMO. Clueless and a total gimp.
I think Stuart's appointment was a typical Parramatta Board hire - look for the biggest name available on the market, rather than going for the best fit. It's true that Stuart won a Premiership, but he made three consecutive Grand Finals with one of the most dominant sides I've seen and won only one Premiership. After winning the title, he wasn't able to get a strong side to lift again to win.