Most crucially, the graph is an oversimplification of protein content. Legumes do not contain the full amino acid chain unlike meat. Non-meats need to be evaluated with the nuance of its nutrients not necessarily being as bio-available for human digestion. Carrots and Vitamin A, for example.
Try this from Sopranica. lemmy.ml/c/sopranica
https://git.sr.ht/~amolith/maps