An intelligent and highly detailed reply, which I respect and admire whole-heartedly.
With mondo-kudos rendered, and that said, my followers behaved entirely differently Monday; a day before Ch4 update. I was riding a horse picking targets to train followers at max range… I would go 15 to 20 minutes at time (50-75 mobs?) having never gained aggro; all hit-points from the kill assigned to the follower…
OR… that’s what I presume. If there are as many HPs assigned to level the follower no matter who is stacking up HP for killing the mob… I guess it doesn’t matter; hence, a change to my approach is simple.
Any thoughts in your “military-unreal-engine-mind” to that end? 