Bread is an ultra-processed food.
That's the crux of this disagreement. Assuming the relationship and then assuming the next step that the antitheses must be true. Unprocessed foods aren't inherently healthy and ultra processed foods aren't inherently unhealthy, the two things have nothing to do with each other.
…but they are statistically associated with worse health outcomes.
Their nutrient profile, additives’ effects on eating behavior, and how human metabolism responds to engineered foods lead to harm for humans.
Imagine I took raw sugar cane then added vitamin d, calcium, vitamin c and some electrolytes to make a sports drink.