Title is the point of this thread. I think it's time to figure this thing out completely (if possible), and hopefully the mass deletion bug as well. @Tonyroid's solution is here, but only addresses the symptom, rather than the exact cause. It is the most perpetuated solution on all the forums. I'll be using this thread over the next week to share ideas, and hope to have others contribute so we can track it down.
@wachunga gave some great advice here (quoted below) as well as showed that