And you are better at determining who is a godol? If not, how do you think he is one? Ah, you determined it. And, of course, only you can say he is a godol, and no one else can say he is not. Got it.
In any event, he was never considered a godol, even in his lifetime. As I said, he is a talmid chochom. But not every TC is a godol.