Because normies need to see video. But like magicians, they want to use sleight of hand - now you see it now you don't. Plus, with video, they can cut and paste whatever they want to show normies "Guns bad. Shooters bad. Must confiscate all guns. Must punish people who have bad thoughts." You even read it on Forbes - on that column two days ago, author said, “No one has yet come up with a suitable answer to the intractable question: How do you clean the internet of dangerous words that encourage evil deeds?” Sorry, I was so pissed I only copied his quote, will go back for his name...