I've never heard "Because I said so" used for emergency situations. It was always "Because you could get hurt/killed", "Because it's dangerous", etc. "Because

I've never heard "Because I said so" used for emergency situations. It was always "Because you could get hurt/killed", "Because it's dangerous", etc. "Because I said so" was always used in the rank-pulling, "I don't owe you an explanation due to who I am in relation to you" sense.