I thought your argument was supposed to be like "trip around antarctic is fake, it's just circling around a snowy island, and the tour arrangers are shills", like any other flat earthers?
And why it's always two sides, the people who explore antarctic that "knows" the truth are fooling people, and the ones who explore yet don't "know" the truth are fooled? Why there's nobody that "knows" the truth yet not fooling people? If the earth were a disk and the antarctic was a giant ice wall acting as the edge of earth, then it would an awesome tour, wouldn't it? It could be advertised as "antarctic tour: the only authentic around the world journey, following along the furthest perimeter of the world! See the massive giant ice wall, the edge of the earth!".
Actually, if you really believe the earth is flat, that can be a really good business opportunity.