Yeah, I saw that definition too--sionnach mentioned "coarse" below also--but that doesn't seem to be what he was aiming for either. What John said made the most sense to me. Being "not enough of an asshole" is exactly what her critics would accuse her of.
“But--and here is what makes her so attractive to open-minded readers, and so infuriating to Movement Conservatives, who dismiss her as too blousy--she makes her point in a way that captures the humanity of its context. This isn't punditry, de haut en bas, but engagement with the reader, with the reader's milieu--with America.�?