"Sticking up for Paul
"any and all adjustments to a combustion appliance should only be carried out by a trained trade person."
I don't think Paul said anything about making adjustments "do combustion safety and gas leak…"
TED Talks Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers ...
(Filmed at TEDxPugetSound.)