Because climate skeptics are more skeptics of the religious claims made by the climate change true believers, and not so much skeptics of the underlying science which indicates that something is going on and it needs to be better studied.
Climate change believers, however, are only interested in virtue-signaling, like the Pharisees of old, and not in actually following the dictates of their own religion. They wish to be seen to be virtuous - because that is how the secular rewards are allocated - but they don’t actually care about being virtuous.
