Because that's the fucking Master Sword the dude is swinging.
Oh my god it is.
But...that picture is very skillfully done I must admit.
Yeah, Dees' art skills aren't lacking. When he's not making a batshit conspiracy picture about Jews, Big Pharma, etc. Found this on his site as well:
...is the punchline vulture capitalism?
I like how Ron Paul's sitting there like "FUCK Y'ALL I HAZ A JETPACK" while making a perfect trollface
But yeah, I saw some anti-Semites posting Dees cartoons on tumblr the other day, especially this one:
He's also endorsed by lovely folks like David Rense.
Moar Dees
EDIT: And apparently this is a book cover he made once