I would be worried about anything which further reduces GV performance, including further turret traverse penalties. GVs are still very much mice to the AC cats. Now that we have the eagle-eyed Storch local to each base, there is practically no chance for a “stealth” component in GV-versus-GV fights. When a base starts flashing, I no longer up a GV first thing, but instead a Storch. I always find them - it's too easy.
Overall, I find the new GV rules less enjoyable than the old, despite the apparent historicity of the gunsights, etc. Not sure why, but it probably has something to do with the fact that normal tanks (no gunsight magnification) now have to get much closer to see well enough to get kills, and therefore need to drive much longer maneuver into a position of advantage, further exposing them to detection by any AC in the vicinity. (I am discounting the spawn camp kill-fests, and lying in wait on the path to a base. Maneuvering for advantage against another GV is now much less common in my experience.) I no longer get most of my GV perk points from kills using non-perked GVs, but instead from base resupply (…).
MH