The Importance of Multi-Level Marketing in Korea

In Korea, there's this thing called YG Entertainment where they get kids at like 11, 12, 13, 14 years old and they start training them to be pop stars. It's like American Idol, but like your life. And then by the end, they had a girl group of four girls after like four years of training. Oh, so they're just like professional girls that have like worked alongside each other. And they've created the perfect girl group called the black pink - first Korean group to perform a Coachella in 2019. This is giving multi-level marketing Fully. That's crazy. Do they do that for other professions? I know like it's with for tennis