I would love to hear both Chris and Jimmy's inspectors explanations for why they are allowing/requiring this.

Coincedetally, I had a callback yesterday to a house I finished about 8 months ago for a laundry light switch tripping the breaker.
Turned out to be the plumber had hammered one of his wire gas hold down straps hard across my 14/2G switch leg. The laundry room is more of a hall closet and I'm sure the light didn't run much or it would have shown up sooner. In the few times it tripped it had already burned the ground open and was working on burning the hot and neutral wires open. I wouldn't have wanted it breakered at 20A. But then again maybe that would have opened it up and cleared the fault sooner? Or just provided more energy to start the fire?