The JW's will probably Nit Pick at the slight "inaccuracies", which are not really, I think they are maybe deliberate, and even if not, do not excuse the JW Org for what it is, and what it does to people!
Yes, I think there are probably two reasons for this:
First, the audience needs to understand it and it's not intended as a documentary about JW beliefs, so "you'll burn in hell-fire for this!" is something they will understand, even if it isn't something the WTS teaches. The concept is religious condemnation and punishment.
Second, it's the recollections of a traumatized woman, so doesn't need to be 100% accurate. Again, it's about the feelings she has of what happened that matter, not the 100% accurate-to-their-beliefs wording.
And can you picture JWs that will pounce on the inaccuracy, imagining that it somehow excuses things? Oh dear ...
Person: "Wow, we watched this programme where they showed your religion in a pretty bad light, a young girl got raped by one of your priests - that's the 'organizational abuse' thing that commission investigated isn't it that we all saw on the news?"
JW: "Well, 'akshully', it's all lies because we never say 'hell fire' so, yeah ...."
Person: "Eh? WTF is wrong with you! You think that matters at all compared to the main story? Don't you have something to say about that instead of thinking they get off on a technicality?"
JW: "I have to go ..."