His latest effort at sabotaging productive discourse on climate science and policy is a really low blow, putting to rest any lingering hopes one might have had that he still had some integrity stashed away in there somewhere. Now I know these are strong words, but I have to confess this really gets my blood pressure up, it is just the slimiest of tactics.
John Fleck noticed the same thing, but is more charitable:
There’s a significant difference between ideas shared in a draft circulated for comment and those finally published. To cite the former and ignore the latter in this case seems a bit misleading.