I absolutely thought he was a threat to it when many said Roger/Rafa was king. I didn't crown him like you did, but I though the probability was there.Apologies, 8 years ago.
There is absolutely no argument against Djokovic being the best player in history now. Im not a fan of Novak.....but to say Rafa or Roger is better than him is delusional stuff.
In saying that, I still say Rafa is a better clay courter than Novak. But in general tennis terms, it is clear cut that Novak is the best ever.