Human beings don't want to just enjoy something by themselves. They want to share that emotion - they want everyone around them to enjoy it like they enjoy it or hate it like they hate it. That's what makes a video spread.
“Like Jermaine was saying, it's a beautiful day, and we're just glad all of this is behind us. We can go on with our lives. And Michael can go on with his life and do what he does best, and that's making good music, making his fans happy, people happy all over the world.”