Yeah, I read that both you & @mobstaj said in the original post that it developed over time.
@Wrecks0 reported it in a much sooner timeframe.
Wondered if some batches arrived pre-scuzzed and then others had such an abundance of lube to be self-scuzzing over time.
Your logic seems spot-on with Cam v2… in that why would a fixed position camera need assembly lube like that? The Cam Pans and their gimbal/rotation mobility at least make more sense. Only thing that comes to mind is that perhaps it acts as a sealant. Who’d have thunk it all 
?
EDIT-1: Holy schnikes @nerdland … just ran across all of this discussion. Looks like y’all zeroed in on it here: