Yup! no such thing as a carbohydrate deficiency, its in the foundational literature as you demonstrated, yet somehow that gets lost on the way to the food pyramid
You might also enjoy this paper
Application of nutrient essentiality criteria to dietary carbohydrates - https://doi.org/10.1017/S0954422420000050
Although sources of dietary carbohydrates can provide beneficial micronutrients, no signs of micronutrient deficiencies have been reported in clinical trials of low-carbohydrate ketogenic diets.
They also have a great writeup on fibre
The National Academy of Medicine defines dietary fibre as intact plant non-digestible carbohydrates, functional fibre as isolated non-digestible carbohydrates that have beneficial effects in humans, and total fibre as the sum of dietary fibre and functional fibre(1,Reference Otten, Hellwig and Meyers31) . Dietary and functional fibre are not essential nutrients, so potential health benefits were instead used to determine the recommended intake