Dealer knocks out a player in 3rd place at by misreading his hand, what to do when your neighbor accidentally exposes his hand to you, and a massive leveling war

At a WSOPC tournament in Florida, a dealer misread the player's hands at showdown during a huge all-in, and that player, who also didn't know what he had, was incorrectly eliminated in 3rd place instead of doubling up. So how did this happen? But it reminded me of other situations when players do a poor job of protecting their hand. And lastly, a wild wonky hand history against a recent nemesis, followed by some revelations...