I don't get it either. In doing a search to see if the article is up yet, I saw the first bits of some review stating that Krug has walked away from two critically acclaimed bands. This much is true. Wolf Parade and Sunset Rubdown are no more. Krug was at least 1/5 responsible for Wolf Parade (all right, 1/2 if you only count songwriting), and like 90% of Sunset Rubdown. I wonder where they would have been if he'd have kept at it with either of those efforts. Clearly the acclaim means nothing to him.
Meanwhile, you have bands like Arcade Fire who have the same spirit, but have fine tuned their sound. Think about it: if you looked at the state of things in 2004 when Arcade Fire first did Funeral and Wolf Parade was just awakening, would you really dream that Arcade Fire would ever go as mainstream as they've managed to go? The pretention of Arcade Fire bothers me because their sound has become so mediocre. Yes, Reflektor (the title song) is catchy as hell. But Julia will stand the test of time as something heartfelt and meaningful. And Spencer's doing it all alone now.
Definitely check out With Siinai. Goes without saying. But I'd equate it to Random Spirit Lover. So yeah, Julia would be his Dragonslayer, too.