How is it important for health to calculate macronutrient ratio in diet for generally healthy people?

In general, eating a diet filled with fresh, lean, whole foods, fruits and vegetables along with daily exercise and adequate fluid intake is enough to maintain a healthy weight and nutrition profile. If calculating the macronutrient ration helps you achieve this then by all means continue the practice. If it causes stress or directs you towards eating a radical diet, then you may want to reconside