He went on to explain that most outlets have a safety mechanism for this scenario built-in.

wat? The only dangerous part of this scenario is when you only have one end plugged in and you have a hot, male plug. Unless you reverse one of the ends, the outlet wont react and if you do short it by reversing the ends, the Breaker, not the outlet will cut off the power.

Also, you also shouldn’t have male-to-male cords in the first place.