I don’t think neurodivergence is a unique marker of wanting honest feedback. It was the standard in all my writing groups to give honest feedback, especially in professional circles. In my experience, those that couldn’t handle feedback were inexperienced.
Neurotypical people, in general, don't want the literal level and type of feedback that the neurodivergent people in this thread are talking about. Your writing groups are a subset who went looking for such a thing on purpose. That's not the vast majority of people, at least Americans.
Agree to disagree.
About what? We're not talking about paint preferences. We're talking about real human behavior and attitudes.
At a certain professional level, writers will want honest opinions and know to state so clearly. People that don’t, simply don’t make it into even semi-professional levels. And there are plenty of variation in neuro-conditions in semipro and pro circles, from my personal experience.
You're right, but that's not something you "agree to disagree" about because it's a fact of academia in that case. Most people won't go looking for harsh answers on purpose in general. Academia is a subset of people who will in many fields.