My general sense with keto and the carbs-are-evil philosophy is that it's a handy solution for relatively quick weight loss. It really does work for that. But

My general sense with keto and the carbs-are-evil philosophy is that it's a handy solution for relatively quick weight loss. It really does work for that. But it's not at all clear if shunning carbohydrates is a healthier option in the long term, compared with a more diverse diet with similar total calories. As you suggest, there's considerable evidence that grains are not evil.