"Idiocy" is much too strong a word. He didn't touch any dangerous bits, didn't even get near them. There is nothing particularly risky about what he did.

Certainly if you don't know your way around a piece of equipment, powering up an open machine is not a good idea. But the mere fact of doing so is not automatically a sign of foolishness.

The one criticism I have of that fellow is his cruel use of a screwdriver to separate the case halves. I'm sure he left ugly chew marks all along the seams.

The horror, the horror!