These 4 points you mentioned are true facts.

But your conclusion is still not true. Saying carbs should be avoided is like saying water should be avoided because people died from drinking too much.

Biochemistry and psychology is complicated.

But a healthy diet is well known and not complicated.

Basically: Whole food plant based diet with vitamin supplements (notably vitamin B12) and e.g. linseed oil for the essential fatty acids.

Dr Garth Davis: Americans have become obsessed with Protein https://www.youtube.com/watch?v=XQCt3IhaUtU&feature=youtu.be...