Because most young people love to pursue fashion. Korean entertainment companies will do styling packaging for their artists. Plus dance and costumes with great visual impact. It is easy to leave a deep impression on people, and it also captures the pursuit of unique psychology, which will make people shine.
Finally, I personally think that every dance has its own content and ideas. There is no need to think that anyone is superior or better than others. It is best to watch it with a quiet and appreciative attitude.