Given the possible permission to publish your answers they will under no circumstances be used by me in an attempt to cast a damning light on you or your interests but will be exhibited neutrally as the personal opinion of an expert.
I would suggest rewriting to make it about what you will do (exhibit the response in whole as the personal opinion of an expert) rather than what you won’t do (twist his words to attack him).
This sentence seems like a case of protest too much:
Given the possible permission to publish your answers they will under no circumstances be used by me in an attempt to cast a damning light on you or your interests but will be exhibited neutrally as the personal opinion of an expert.
I would suggest rewriting to make it about what you will do (exhibit the response in whole as the personal opinion of an expert) rather than what you won’t do (twist his words to attack him).