the issue with switching gender roles for movies isn't "oh it's a girl leading and thats wrong," it's seriously just that they're completely making a big deal about "oh it's a minority leading and the guys in the movie are so dumb"they're trying to milk a certain demographic for little effort rather than actually putting effort into making a good plot and great character development. an example that switches gender roles but still makes it work damn well is elementary, a parody of sherlock holmes where they made watson a girl---however it's still nice plot and a well made show in general. they don't force the female lead down your throat but it's still there and they actually made it work (ghostbusters and all that was the polar opposite)i mean i guess they could pull it off with girls for lord of the flies but the plot of the book just doesn't match up, and there would always feel like something is missing in it; the deal of lord of the flies is that it actually reflects back onto stereotypical teenage boys in a sort of eerie manner, with an interesting plot completely revolving around and spinning back to that stereotype. i dunno but i just can't see a substantial girls doing the same stuff that happened in that book as opposed to a regular school