They may make you look good, but in my opinion they make the industry as a whole look bad.

Absolutely! That's why I posted this article and encouraged REAL techs, our Brethren in the Craft, to post it on their websites to help raise customer awareness and drive the PCMs outta bidness: http://appliantology.org/blog/1/entry-851-3-sure-fire-ways-to-spot-an-appliance-repair-hack-in-your-home/

This post was meant as a tongue-in-cheek "tribute" to PCMs.