Not saying that he butchers the NJO, but he does expose his ignorance of established material on him with his comments.
2. It's not just the NJO. Deronn has already made it clear that in his book, that the NJO isn't all that formidable - strip away the unorthodoxy, strip away the intimidation, and your product isn't all too overwhelming. That's not how the NJO was originally envisioned, either. Unorthodoxy and intimidation were integral parts of their skillset, but he was also supposed to be incredibly formidable even without them. Those (along with his the force were just the edges to make up for their lack of sensitivity