JJ knows enough about Star Trek to make two summer shoot-em-up blockbusters with the Star Trek moniker and characters, just like the latter tng and tos movies to be fair.
He probably does his research as do the writers, but he's a director. I doubt most directors of previous Trek movies/TV or even Bond movies give a crap about the source or franchise, they just direct.
"Course your not,your not scared of anything. Box falls out the sky, man falls out of box, man eats fish custard. Look at you, just sittin' there,you know what i think? Must be helluva scary crack in your wall" - The Doctor