Fibre isn't a nutrient though. It's waste. We have a very low capability to ferment it verses other apes.
[0] "Dietary fiber: Essential for a healthy diet - Mayo Clinic" https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...
A statement like:
> Calling fiber essential seems wrong on it's face.
...to me seems rather ignorant given your prior claims.
[0] https://www.hsph.harvard.edu/nutritionsource/carbohydrates/f...