Considering that pH plays a major role in teeth health and acid-reflux, two things that a significant portion of the population suffers from and can dramatically reduce quality of life, shouldn’t the pH of a food item be just as important as nutritional values?
You’re misunderstanding. Yes there’s plenty of scientific evidence that excessive soda drinking harms your teeth, but that’s a totally different topic than whether listing pH level on nutrition labels would have any effect on public health.