They think they’re experts because the media they consume tells them that all the climate scientists are liars and it’s all a big conspiracy.
Really? Media like the ABC who are definitely pro climate change emergency.
I’m not a qualified climate scientist....
Neither is Ross Garnaut, he's an economist yet he is considered an expert, neither is Tim Flannary, he is a paleontologist yet he is considered an expert, neither Sir David (he's the new Messiah) Attenborough, he is a television presenter yet he is considered an expert. The reason the "geezers" push back against this stuff is that they have seen it before. Acid rain "roone they cried!", "nuclear winter "roone they cried!" and the best one of all Y2K "roone they cried!" including all the worlds "experts" and especially the UN. Because the time frame hasn't got the population agitated enough it has had to be declared as a climate emergency so that radical groups like Extinction Rebellion can carry on like anarchists of old and disrupt everyday life in the "name of the climate".
BTW the ABC had an article on their website about the BoM discovery of SSW over Antarctica. The BoM were very careful to state that it wasn't linked to climate change. You might find that the science might start toning down the rhetoric in the coming years.