[Blood of Tyrants]

A GFCI only trips when the current flowing in the hot leg doesn’t equal the current flowing the opposite direction in the neutral leg.

[Rebelbase]

“A GFCI only trips when the current flowing in the hot leg doesn’t equal the current flowing the opposite direction in the neutral leg”

Isn’t that what happens during a short? The whole point of a GCFI is to break the circuit when the toaster falls into the bathtub.