It's not ironic. Calling somebody an asshole isn't a positional declaration. It does not say you are better or worse than them, just that they are an asshole.

It's not ironic. Calling somebody an asshole isn't a positional declaration. It does not say you are better or worse than them, just that they are an asshole. Presumably you have flaws as well. Everyone does. Saying you look down on them, on the other hand, is a direct claim to superiority.