User blog comment:Miskos3/Fairy Tail Chapter 472: Laxus vs. Wahl, Review/@comment-1153699-20160208202815/@comment-1153699-20160209112803

@Sane & NNN, yes. Silver and Ultear were convincingly stronger than Gray and would have beaten him for sure in a 1v1 fight (especially Silver) but they ultimately lost not because Gray was overall stronger, but because Hiro wanted him to. Whether it be PiS, CiS or Natsu replenishing himself in the middle of a fight, at the end of the day, the good guys are going to win because they are the good guys, and the bad guys (or anyone who goes up against the good guys) are going to lose because they are the bad guys.

That's why I said this whole "Because s/he's _______" thing is applicable to many other characters and not just Erza, Laxus or Natsu. And "Because it's Hiro/FT/plot (take your pick)" would be more accurate, if anything.