I think it's precisely because he sees himself as more of a craftsman that creates entertainment rather than an artist who is trying to express the nuance of the human condition. He is secure in his work and purpose and understands just what he is doing.

I believe it's important to make distinct the difference between "art" and "entertainment". Art is inward looking and for the individual to experience uniquely theirs, whereas entertainment is for the masses and outwardly.

Oh, experienced plumbers get pretty sanctimonious, at least in online forums!