I'd encourage you to actually read the article and his argument if you haven't. But the suggestion is not against the null hypothesis that the world is not get

I'd encourage you to actually read the article and his argument if you haven't. But the suggestion is not against the null hypothesis that the world is not getting warmer. It was that the warming was within the bounds of established mechanisms unrelated to human activity. There is little value in arguing about the state of mind of an author 25 years ago. Especially where we agree the outcome of reasoning was faulty.