Smitty's crime was that he failed to cross-check his fake SOCs on his too many monitors, with the actual voltage of his batteries. The monitors and whatever else those guys did to mess up his total set-up are just giving bad info.
I can't check out all the wiring and what is doing what to what from here, but it remains that something is wrong with the set- up, so that the too-many SOC readings are totally bogus. Somebody who has a clue needs to re-visit the whole set-up.
Smitty should have noticed that a long time ago, but he believed the SOC readings and never cross-checked them. That is where he went wrong. Yes, he did what he could, but IMO the original installers led him astray somewhere.
Lesson is as always, "Trust, but verify!"