Sakura is a MEDIC!!! She isn't supposed to be on the front lines risking her tail. She stays in the back making sure the people fighting stay in one piece. I play a support character in most MMOs I play and I can vouch that support characters (like Sakura) aren't supposed to throw themselves into the middle of a fight. We stay back and make sure the rest of the team stay healed. Going into battle without a healer is suicide.
I leave you with a philosophy from DBZAbridged:
If she goes down noone else is getting back up. That's right, she the White Mage, and you don't F*** with the white mage!
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What I like about Sakura is her realism and character development. With so many super-human main characters with tragic backstories, it's easy to forget that they don't represent the majority of the population. It's helpful to see a character who actually has to work hard to get where they are - like Rock Lee - or who doesn't have the hardened emotional strength of someone twice their age due to traumatic events in their childhood. They're twelve and straight out of the academy, not ANBU war vets. The whole point of the story is to watch them get stronger, not to simply reinforce how totally super-awesome they are at absolutely everything. (Sasuke, I'm looking at you.)
That's where Sakura's character development comes in. Not only does she get physically stronger, which I think is pretty obvious, but she matures emotionally too. For crap's sake, she acknowledged that Sasuke needed to be put down while Naruto was still clinging to the childish ideal that Sasuke could somehow be "rescued" and brought home. As for her not getting over him, it's important to remember that while he was her childhood crush, he was also her schoolmate, teammate, and a fellow ninja of Konoha, all of which would form a lasting bond between anyone.
I think the closest I ever came to hating her was from the Road to Ninja movie, but that movie was bullshit anyway. Also nobody rags on Tsunade because BOOBS.
nope sit down shut up and watch my bby shine
And Sakura learnt a lot from her and I guess one day she'll be stronger, but Tsunade is one of the Sannin, and the Hokage after all
And I think you're right, people shouldn't say Sakura is useless :/