Considering that a lot of discussion happened during regular beta when formations were introduced, then we had live beta and then formations were introduced the mechanic felt “safe”. A huge amount of analysis went into it and the decision was that in Reverse and Reverse Double the middle hero would impact all heroes because all heroes were determined to be “nearby”.
Visually this makes sense as well as all heroes on the field are equidistant from the center hero.
This is (was) also consistent with all map stages that had formations (mobs surrounding a boss).
This change is both a nerf and will lead to less variety in raiding and that is a shame.
Yes, Reverse is the most effective formation BUT the fun was to use other formations and find less usual combinations that work.
My defense tends to hold over 2600 cups in spite of currently being a Double, prior to that the Reverse Double also kept around 2600 cups and there has been a rotation of heroes cycling through as combinations were explored.
I agree that Ludwig is the most likely catalyst for this (hasty) change. I do believe that expanding formations into Wars is another (likely) contributing factor.
I am sure that SG has some heroes coming that would break the game without this change AND that SG prefers to take away a fun QoL aspect of the game rather than attempt to fix the heroes (or perhaps the seven hero lineups that have been mentioned).
NUTSHELL: Very Disappointing from SG