The point was that he's not Christian, which is a much more marketable religious affiliation in America.

I get what you're seeing but it's very clearly not what that poster intended to communicate.

Not:

> Even though he's Jewish, meaning you would expect him to be despised and incompetent, he seems to be popular and competent

Instead:

> He may be jewish by birth, violating the condition for a Christian, but since he seems popular and competent that shouldn't matter so much.

Yeah.