Was Blatter Right About Messi & Ronaldo?

Now that Argentina has qualified to the World Cup ensuring the presence of star player Lionel Messi, barring any injury or outlandish suspension,  how does one evaluate the comments made by FIFA President Sepp Blatter? Prior to the decisive qualifiers which yielded  Argentina's qualification to South Africa as well as Portugal's opportunity to do so through a two-legged playoff clash with Bosnia & Herzegovina, Blatter declared that the World Cup will not be affected if Messi or Portugal's Cristiano Ronaldo were missing.