In a nutshell: Global warming either (1) isn't real (2) isn't caused by humans or (3) doesn't matter
Well, #2 is certainly within the bounds of possibility. Evidence: The entire history of the earth. And, as for #3, you could actually make the argument that global warming would be a net positive. (Contrast warming with a new ice age.) Not say that it's true, but it's a possibility, and shouldn't result in intellectual exile.
He, of course, misses #4:
(4) Global warming is real; but it is #1 mainly intended to achieve a long-standing but tactically-shifting goal of governments to control capital, and otherwise generate billions/trillions for the well-connected and #2 is hopeless because China and India aren't getting suckered into it, ever.
That is something they don't want to address, because, as far as I've seen, it is the correct assessment. "Follow the money" almost always is. And if you keep following the money, you will likely find that even the most committed climate changists are not expending their own resources to short Florida coastal real estate on the weight of their beliefs.