His comment about Palin is hardly spazzing out.
As to his opus, he made it clear that he had encountered much bad stuff here, and an ignorant comment by another poster was merely the straw that broke the camel's back.
He opused OVER Palin related material/comments. After according to your research, 4 years of no comments on the subject.
Thats a spaz. See also “Overreaction”.