How does that make it a joke? Have you even bothered looking at stats?
There have been 5 WTA players in last 10 years ranked #1 at year end
There have been 5 ATP players in last 10 years ranked #1 at year end
Here is a list of players who were ranked 1st without having won a GS. It really isn't that big
Players who were ranked World No. 1 without having won a Grand Slam tournament
Player Date of first No. 1 position - First GS final reached -First GS WIN
Kim Clijsters 08/11/2003
2001 French Open(06/2001)
2005 US Open(1 of 4)
Amélie Mauresmo 09/13/
041999 Australian Open(01/99)
2006 Australian Open(1of2)
J
elena Janković 08/11/08
2008 US Open (09/08) N/A
Dinara Safina 04/20/09
2008 French Open (June, 2008) N/A
Caroline Wozniacki 10/11/10
2009 US Open (09/09) N/A