How do you know he’s not?
It is not crazy...it is highly probable
...What evidence do you have that he is? UPPPP, confirmed evidence???
I don't know that he's not, but I also don't know that he doesn't sell crack to minors, molest small rodents or have group sex with his mother-in-law and her sewing circle. Those charges are as plausible as claiming he's the anti-Christ.
Your job would be to prove that he is the anti-Christ. Until then it's safest (and sanest) to assume that Barry O. is just a very slick, mis-informed, garden-variety leftist.