Let me spell it out again.
1) Donny Moore is not distinguishing between Jack and Mike; 3-4 and 4-3. I'm saying that Willis' move to Jack is not a factor in Donny's rating. Whether or not Willis' move to Jack is a DIRECT link to his drop in tackles is debatable. The former statement concerning what Donny factors in is not. I'd argue Willis' numbers dropped off more due to nagging injuries, missing two games, and playing through those injuries in others, than a switch to Jack. To say he dropped off due to a switch to Jack would actually indicate that he's not very flexible and can only shine in one spot. I think more highly of Willis and his talent than that. That said, all things equal Luke Kuechly had a better year that's why he won DPOY. Bowman had a better year and was highly considered for DPOY playing like an animal even in the two games that Willis missed.
2) This is not traditionally how EA rates DPOY. EA has generally had the DPOY the highest rated defender at least at his position. That's just how they have done it and shouldn't be a point of contention between us.
3) Given 1 and 2, Kuechly should be rated higher than Willis in Madden 15. Just based on Kuechly winning DPOY and the way EA traditionally rates that player it should be Luke Kuechly 1a; Bowman 1b; Willis 2. But we have the exact opposite.