There is also a lot of educational content, including lectures, interviews, popular science channels, investigative journalism, and tutorials on anything from how to apply nail polish to how to fly an actual Boeing 737 from real airline pilots. This list is endless. Besides, there’s nothing wrong with junk content either, sometimes we all need to unwind and watch something silly. Don’t take YouTube for granted.
Because our brains are not wired for the modern complex world. Most decisions we make, we make thanks to heuristics that are heavily exploited by other people.