ROTS and TFA were PG-13 though.
And was the Force Awakens submitted to the MPAA or the BBFC with Chewbacca ripping the aliens arms out of it’s sockets in the bar?
Hell no.
Studios self censor them selves the film boards now just stamp it whatever points it get’s. I doubt there is much re-submission of films these days. It’s all pre-prepared for submission so as any unpleasant surprises can be avoided and there is no skating on the limit.
The censors won, movie studio’s lost and don’t want to fight like they used to. Or try to get away with having more fun. I can understand ROTS getting PG-13 but the TFA was like a weak PG nobody had an argument about anything apart from Kylo throwing a tantrum. Zero Abrasiveness.