Well, he's scored a goal when winning the WC, won 5 French leagues (4 with the team that wins it most years regardless).
But he's only 23, some people thought Michael Owen, that fast paced goalscorer, was the best around at that age, no-one talks about Michael as the best evoer now.
I'd say he's probably the best around at this moment, but as has been said, this time last year it was M
Messi and Ronaldo are battling after the best ever that some people think Diego should have but, for me, Pele has to be comprehensively taken off that pedestal, 3 world cups, with him at the centre of each one, 7 Ballon d'Ors (same as Messi, 2 more than Ronaldo) plus the ordeal of fronting up the erectile disfunction campaign (albeit for money)