Hello! It doesn't fucking matter, the brakes will stop the car.

The article I read made it seem as though that wasn't true - hence my WTF comment.

I know that emergency brakes wouldn't stop any of the cars I've had when the gas pedal is down, but I haven't tried (and wouldn't try) the regular brakes.

Yeah, I've driven several blocks with the parking brake on, on more occasions than I care to admit.

My husband does that all the time and I panic every single time. It just feels like we are all going to explode instantaneously.

Oh, well, see that's how I feel every day starting first thing in the morning, that must be why I never notice. :)

They haven't since the stopped calling them "Emergency" brakes, and started calling the "Parking" brakes, many years ago.
But unless the normal brakes are very fucked up, they will overpower the driveline. That's how drag racers with automatic transmissions get a jump start, it's called power braking.

My supercharged '57 Chevy has a Line-Loc. I push on the brakes then hold a button on the shifter handle. When I release the brakes a solenoid keeps only the front brakes locked, and I can spin the rear tires all day long... the car won't move. Oh, and those front brakes are way smaller than anything on the road today.