User blog comment:Touchinos/“Jack in the Box” Discussion/@comment-2605:A000:122A:408A:A4D0:A333:6EBD:6061-20190420142223/@comment-3169324-20190420173745

Jack vaporized Mary. There wasn't enough of her left to fill a shot glass. Then he went around killing multiple innocent people. Dean wasn't overreacting. When Sam lost his soul, he didn't even hurt any innocents (as far as Dean knew at the time), and Dean still wanted to "kill him in his sleep".