My nephew Joey is of the opinion that "it ain't rocket science." Of course, Joey has never seen the inside of any rockets fancier then "Roman candles," so he doesn't know that rocket were useless fireworks, until plumbers and electricians made them useful!

Joey is getting quite a following in this town... a following of AHJ's, who continue to marvel at his resoursefullness in finding ways to violate ever more codes.

The point is, that while it may not ne so hard to twist a wire nut, or bang in a nail.... thousands of 'little' things add up into making 'large' things. Tradesmen of all types can tell tales of messes that would have never happened, if only the guy who did the work had followed a few simple trade practices...

Nor is "education", by tiself, any guarantor of competence. Some of out biggest 'horror stories' involve degreed professionals who assumed they could 'figure it out themselves.'