Kip Thorne is a physicist who has built reputation based on his work and talent. His colleagues are eager to call him out if he makes a mistake, right? Because the whole scientific community is standing by to say, wait, you're wrong. And this is one reason why i think climate science actually, to me, is probly one of the most robust sciences ever in the history of science. So even if one group of them were wrong about something, they could definitley be with so many others that it wouldn't matter.