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Joined: Aug 2007
Staff roles: Story Dev Economy Dev
Generally speaking, R rating is granted for explicit gore or sexuality. You don't need either for a good film, which is more reliant on the aspects HL mentioned above. It's also funny when people think that PG-13 would be the film's downfall when the original films were positively quaint PGs.
Honestly, so long as the use the universe's assets well, it's fun to watch and I leave entertained, I'm happy.