The food pyramid would be okay, if you’d actually eat the bread that the authors envisioned – full-grain rye bread, unsweetened, unbleached. That has a much higher fiber content, and much lower glycemic index.

Look at the images in the article. Notice the huge "unrefined carbs" part, and the tiny little "free sugars" part?

This is the bread the authors envisioned you to eat: https://www.baeckerei-guenther.de/cms/upload/sortiment/brot/...