Earlier quoted context omitted.
Most of the deniers I know have shifted from it doesn't exist to either its not man made and just a natural cycle or it may actually be a good thing because plants like CO2 and warmth...
I had to explain this to a relative who started in with the “the earth has always had climate change” jibberish. They tried to tell me no-one knows how the last Ice Age happened. So I explained, but because they didn’t understand any of the concepts involved they thought I was just making it up. It’s a good reminder never to assume malice when plain old stupidity is on the table.
We are only in this mess because of this attitude. Don't let evil people get away with evil things just because you think they are stupid. The current groups that believe climate change isn't real all believe that because of decades of misinformation specifically targeted at them, by Exxon and others.
Malice is 100% present and 100% at fault for this. Greedy companies wanted more short term money and knew that it would kill millions of people and cause untold chaos and they didn't care.