Why on earth would the Huffington Post care about who Americans in Israel voted for instead of Americans in France and Britain, especially given they just had a poll about who the Europeans want? Could it be that they knew that most of their readership would take the opportunity to invoke the classic anti-Semitic trope of dual loyalty?
Not to mention the more direct forms of anti-Semitism:
It's a great circular causal relationship the Huffington Post editors and readers have. The editors give them ammunition to spew hatred, so they keep clicking, which gives the editors a reason to give them ammunition. Welcome to the Huffington Post.