RPGMemes

Yes, it is more like a sleigh of hand or a magic trick. When the presenter discards an option, they are acting as a hand of god that skews the probability.

It is much easier to understand with a hundred doors. You choose one and then the presenter discards 98 doors, now you decide whether to keep yours or to choose the other one.

Here it is more obvious the role of the presenter discarding negatives.