Not surprising, he's produced quite a few metal bands.
As for story? I don't know, I've never really heard him be particularly acidic toward metal audiences... not like Steve Wilson or Tool. That seems to be a common theme with metal bands these days, sadly. Devin really doesn't put people down, at least not in the conventional sense. The attitude I'm getting from him on this album is more of, "I want to have fun", rather than outwardly accusing others of being too serious. He's just not that sort of guy. When I've heard him talk, he's always very personal and down to earth. He has suffered some severe depression and mental health problems, so he always comes across as someone who's pretty sympathetic to others and their uniquities.
But lately, he's really just been in an exploritory phase. Deconstruction wraps up a - album cycle known as "The Devin Townsend Project" that explores 4 totally different styles of music, and writing styles. Obviously, Deconstruction is his "insane and zanny as hell" side. The final album couldn't be more different, it's scerene new age music complete with natural sound recordings, wind instruments, and not a drop of metal. It's more like Enya than anything else. His album previous to Deconstruction, "Addicted", was fun (but not zanny) "commercial" metal. Before that, it was sort of a Pink Floyd-ish, low key but introspective work called "Ki". But before the Devin Townsend Project was "Ziltoid", a heavy metal rock opera surrounding an MS3K-style, B Sci-Fi story about an omniscient alien from another dimension who attempts to subjugate earth because we fail to make him good coffee.
Basically, the guy's a moving target, and he likes it that way. And I like him that way. You never know what you're going to expect. And instead of pointing fingers and saying, "you all are uncreative", which is becoming an increasingly common (and irritating) theme among musicians today, he just leads by example.
My take is that Devy loves metal, he loves metal fans, he loves new age, he loves punk, he loves zanny fun, and he loves the effect of aggressive sound while remaining personally scerene. He's a practicing Budhist, which really makes sense when you look at how much personal exploration he does, as well as his inclusiveness of different, disperate artistic styles.
He's worked with just about everyone by now, too. He can make the Mashuggah joke because he's friends with them and worked closesly with them on a number of projects. But at the same time, he found the Christian metal band "Becoming the Architype" incredibly fascinating to work with and talk to, and I just hear his name pop up as the producer for a number of different bands. It wouldn't surpise me if he's produced a lot of new age artists, he's obviously atuned to that style and very good at achieving that deep, infinite sound that a lot of them go for (I'm not much of a new age fan myself, most of the actual musical content is boring to me, but I can appreciate quite a bit of the production aspects of it).