Licensed or not, as a plumber he probably has a lot of experience in dealing with crap and making it go down the drain. That is a qualification I welcome in any candidate for any political office these days!
I can explain it to you but I can't understand it for you.
"Any man who thinks he can be happy and prosperous by letting the Government take care of him; better take a closer look at the American Indian." - Henry Ford
Corruptissima re publica plurimae leges; When the Republic is at its most corrupt the laws are most numerous. - Publius Cornelius Tacitus