A common argument from climate change minimalists is that its impact on the economy by 2100 will be negligible. They suggest that even if climate change reduces the global GDP by a few percent, the economy will still be significantly larger, perhaps 20 times its current size. So, a slight reduction to 19.7 times larger is seen as a minor issue, suggesting economic growth will offset climate change's impacts. You can see the argument in action
The argument is basically:
To anyone who has ever done anything with maths or just numbers, this is absolutely insane