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What do you guys think?
If anybody can catch up to Naruto and Sasuke, then Naruto and Sasuke aren't special. If Naruto and Sasuke aren't special, then they make a pretty lousy central pair for the manga. Naruto is some kind of hero who has been single-handedly saving the allied army with his magical fox powers, and suddenly Sakura thinks that she's equal to him? Sasuke is an international criminal with all sorts of ultra-rare advantages (Orochimaru's medical enhancements and training, EMS from Itachi, etc) And Sakura is suddenly equal to him?
Sakura is nice and all, and she's played an extremely interesting role as being both a friend and subject of romantic interest between Naruto and Sasuke. But, look at a quick comparison of these:
1) Naruto: Son of the fourth hokage, an Uzumaki (with all of their genetic advantages), jinchuuriki of the 9-tailed fox, child of prophecy, trained by Jiraya (A sannin). Also trained by the frog sage and Killer Bee (a rare, perfect jinchuuriki).
2) Sasuke: An Uchiha (with all of their genetic advantages), master of the sharingan, owner of an ultra-rare EMS, trained and medically enhanced by Orochimaru (A sannin).
3) Sakura: Trained by Tsunade (A sannin).
One of these three is not like the other. One of these three doesn't belong. Besides the fact that Sakura's teacher was on the same level as the teachers of Naruto and Sasuke, she has nothing else going for her. Naruto and Sasuke both have strong advantages from their heredity, genetics and other factors.
Maybe Sakura is a little bit better than just being dead weight, but she's still not on the same level as the other two.