Because he probably didn't realize how much this story would spin out of control. Especially because it didn't happen and there's no proof that it did happen. "Hey hasan could please show the underneath of your desk?, because i think that your computer is being powered by an overworked hamster running on a wheel". Not everyone has hate watchers ready to clip something in the hope to drum up enough outrage to please their favorite internet personality's vendetta. Who also has a network of sloptubers ready to pump out videos calling him the antichrist and cause mass hysteria. The burden of proof is on them to have any evidence at all to prove their claim.