Tourists sail to Antarctica in boats.
Worrying is not a productive use of anyone's time. It will have zero effect on tourists visiting Antarctica.
There are hardly any tourists that go to Antarctica
There is no evidence in the argument to limit the number of tourists in Antarctica.
The tourists go to Antarctica during the summer or the winter
Generally, tourists go to Antarctica to tour -- it is the most exotic visual landscape on earth.
Tourists are advised by their tour operators to wear very warm clothing in layers. Some operators issue gear to tourists for use during the tour.
Tourists visiting Antarctica are housed aboard the ships used to sail them to the continent. Tourists who charter private expeditions to the continent bring their own tents and other equipment for shelter from this extreme environment. There are no commercial tourist facilities on the continent.
There is no disadvantage to any continent caused by tourists.
Tourists do go to Antarctica. They travel by ship from departure points in New Zealand, Australia, Chile and Argentina.
All tourists who visit Antarctica arrive on tour boats, which also provide all hospitality during these journeys.
Tourists who visit Antarctica by ship stay on board the ship. There are no commercial accommodations anywhere on the Antarctic continent.