I still think the fact that he's been here three years, has turned us from relegation candidates to regular European contenders, including a Champions League campaign, and has done all that on a transfer net-spend of effectively zero, is frankly incredible.
If any of the clubs famed for their ability to unearth gems and use the transfer market well had done that, the press would be raving about it. If Brighton had done it, they'd be writing a Moneyball-style movie about it.
Imagine if he'd actually been allowed to spend the money our owners would have liked to spend...