Without carbohydrates you will die, stick to what we know and stay away from broscience. The people with the highest longevity thrive on carbs. Japanese and cultures around the Mediterranean sea have rice and bread as staple foods. Ancient greeks went by with bread, wine and olives and look how they are depicted in art work
Unless you're going for the following look, stay away from these new fad diets
Problem is overeating, not carbs. Another thing to consider is level of activity. Our ancestors didn't spend their days sitting down lurking on Sherdog, I bet.