I get what you're saying with (1). I'm saying I don't think it's quite justified to draw the comparison between "right-wing vs climate change" and "left-wing vs

I get what you're saying with (1). I'm saying I don't think it's quite justified to draw the comparison between "right-wing vs climate change" and "left-wing vs sex differences". All you have at the moment is a counter-factual about what you think left-wingers would believe if there was a scientific consensus.