I’d love to hear your take on it. Here’s what Blizz has said and provided in their Support Articles (which I’ve linked for your convenience):
Master Looter Didn’t Distribute Loot
"Customer support will not redistribute loot in the event of a dispute between players. "
Section on Scams and Loot Disputes
“World of Warcraft loot systems empower players to manage loot directly. For this reason, Blizzard support will not redistribute loot in the event of a dispute between players.”