They've been pushing matched play a lot. Every faction focus has talked about them trying to balance everything, and the Facebook page guys have said the game is as balanced as they possibly could.
The balance between pragmatism and idealism is what makes the Destroyer Companies so interesting in 30k. They're just a little too far from the rest for Guilliman.
I'm going to only get a few squads, maybe the dread whenever it comes out. I'm just using them an allied detachment. I think I'll paint them as Novamarines, as I've always loved that scheme and never got around to painting it.
The rule says '...ends the Movement phase at least 6" away...from the point where it began the phase...'
Running is in the Shooting phase, after the Movement phase, so the rule doesn't trigger.