His/her talent or skill is everything for an artist. Whatever he does, that is his work. He enjoys working on it. An artist is also a human being. He also has feelings, emotions. He also gets hurt when you insult him or his work. Some people pass comments, shout badly when he performs on the stage.
In this video, feelings of an artist got hurt. He spoke to the people not to do that with any artist when he is performing on the stage. It hurts.
To know what did they do and why did he get hurt, must watch this video.