No, you're saying that like those extreme highs are distant specters. They already happen and are part of our immediate future. At which point, the human body cannot survive by evaporating water. Drinking cold water is an active measure which frankly is not available to all people, especially many of those most vulnerable to these fatal temperatures. When the WBT passes a certain level it will kill you straight up. Cold, not so much. People live in Antarctica. And although we will get storms and more extreme weather, the planet is getting hotter.