It matters whether they choose the door because it has a goat vs. they randomly choose a door that happens to have a goat. It's not explicitly saying the forme

It matters whether they choose the door because it has a goat vs. they randomly choose a door that happens to have a goat. It's not explicitly saying the former even when stating the result, because everything is written as a certainty in retrospect. You can say, "the roulette wheel stopped on 00," but it was still a random event when it happened.