The website SkepticalScience is intended to be comical—a joke. It was founded by John Cook, who was, at one time, self-described on his website as:
I’m not a climatologist or a scientist but a self employed cartoonist…
Click image to enlarge
Source of image: PopTech’s post The Truth about Skeptical Science.
That explains everything.
When SkepticalScience revises the content of a post and changes the SkepticalScience comments on the thread, after the fact, without noting the changes, with the intent of making comments by other bloggers look foolish…
…it’s their idea of comedy.