User blog comment:IamJakuhoRaikoben/Chapter 513: Flower Circle, Review./@comment-153.91.172.162-20161205162716/@comment-3290324-20161205172731

But that's just your speculation. There's been no indication that Erza's going to get some random powerup from learning this history lesson. And while I do agree that random familial connections are annoying, getting mad at them in Fairy Tail is like getting mad at the fact that all the fights are short. Is it a problem? Yes. But it's so common in the manga that its pointless to nitpick at them imo. And furthermore, Erza's one of the main protagonists whose fights are usually second in importance only to Natsu's. I don't see a problem with her having a bigger role.