He's PERFECTLY aware this happens (and knows the exact parameters thereof) but really doesn't mention it past "That's probably magical now, you might wanna watch it." while the owner is still in shock about what he just did.
@simon_bitdiddle Hahahaha, it's very much something like that tho probably a notch less arrogant. Unintended Side Effects are a thing he deals with and regularly, and there's definitely a clause in the FCC regulations he can Rules Lawyer in some fashion or another.
@tevruden All I can think of now is a mage going "I've invalidated your CE and FCC certification for this device," smug grin, "Your welcome sweaty."