Different ppl different opinions and different expectations.

No offense to those who say he is WC, I for one, will never simply label a player world class cheaply just because he has a good run of games. But that's just ME. I don't speak for others so don't start getting trigger happy yet and talking about pride and ego coz it ain't nothing to do with it. Seriously what's my pride gotta do with Xavi's worldclassness?   If he really throw in a world class performance, trust me I will be the first one off the blocks to acknowledge it. I'll dig up my ancient cyrix 486 and post here if I have to.
It just goes to show your ways of evaluating/accessing a player is different from mine. My list of world class players (based on current form) pretty much consistent with the Ballon D'Or candidates. Those are the real deserving players to be tagged as world class.
Some fellas will rate players on per game basis and some fans prefer to sit back to judge a player in the long run to avoid making conclusive hasty assessments which will sound premature. In the case of Xavi, he was poor (by my standards) all along since the day he join us. And all of sudden after a good run of games, he becomes a world class player out of the blue? VOILA. I would agree and acknowledge the fact he is currently a useful squad player atm, but nothing more than that.
To become world class, Xavi still got a lot a lot a lot to prove. And ball possession alone is not going to cut it.