Perhaps in hopes they won't follow his mistakes? Also, in that Wikipedia article, he's quoted to have sang in the opera to meet women.
> "I joined the opera to get my union card and meet girls. I was a saloon singer, so I went down to the Baltimore Opera and learned an aria and auditioned. I figured I'd do one show and quit. But the girls were everywhere and the truth is, the music was really decent."
https://en.wikipedia.org/wiki/Mike_Rowe#Early_life