Afghani #1 isn't half skunk, it's a pure Afghani, a nasty, accrid one, there is nothing remotely accrid of nasty and foul in any of DJ's work so I expect the Afghani he used was very different to Afghani #1. As I said earlier, I reckon it was one of the sweet Afghans with a Blueberry taste/smell such as Dabney Blue, which is from north California.
Skunk #1 doesn't improve everything it touches, it improves bud structure and calyx to leaf ratio but when it comes to character of taste and high it doesn't improve anything. This is why the Dutch skunk hybrids are all good in commercial aspects - good yield, easy to trim, easy to grow, but lack character, they crossed everything to skunk and homogenised things to a large degree.
First question I would ask DJ if I met him would be 'why is the Blueberry of today nothing at all like the old 90s one?' I mean, it's like they aren't even related.
When DJ mentioned 'guys in Canada' I expect he was referring to Red who runs Legends Seeds, Chimera and the guy behind the new incarnation of Spice of Life, maybe others as well. He has worked closely with them in the past and provided them with parental plants to use in their own work. Maybe DJ just selected the parentals for the new strains, sent them upto Canada and got the guys there to do th actual seed production from DJ's parentals? As long as DJ is doing the parental selection and the seed making is being done properly I don't see a problem with him working with others. It is the same as Shanti making seeds of lines originally bred by Nevil such as SSH and Nev's Haze in that Nev sleected the parents, then passed them on to someone else to do the actual seed production.