He will look like a turd whether you think so or not; he’ll be viewed as a total asshole for wasting valuable court resources in concealing his identity.
He’s definitely a jerk for not coming clean on this in a timely manner.
There are plenty of things the Obama has done and is doing that make him look very bad, indeed. The BC thing can't match that ... unless it's open to question. In that case, I believe we'd have a rather interesting Constitutional crisis on our hands.