And yet, we cannot say which forms of entertainment are worthy forms of entertainment. Who's to say what is a good form of entertainment vs a bad form of entertainment?

Let's look at the Korean media industry. The dramas and the music.
People go crazy over them. Once again, this industry has created millions of jobs, from merchandise to cosmetic surgery.
(The term is actually cosmetic surgery. Cos it's for cosmetic purposes. Plastic surgery involves inserting a foreign object into the body. Just saying...) 

So humans are once again drawn to entertainment. Dramas, music, concerts, whatever. That's all fine. Maybe there are somethings to learn. When you watch a show, it tells a story, there can be a moral of the story. And yet people get so attached to particular actors