Okay, I didn't talk about balanced diet earlier, but I did, now.
That is the one of the most important points in my argument above, about why corn sucks nutritionally.
Of course, I did not mean that it is totally useless. Obviously it has some nutrients, just like any other food item has. Maybe I should have mentioned that earlier, in my first comment in this subthread.
I did not mention balanced diet, because I kind of thought that all educated people would know what that means and what it's constituents are - such as carbohydrates, proteins, fats, vitamins, minerals,
Just compare the nutrition from corn (maize) with the nutrition from some of the other food items I mentioned, in said Wikipedia articles.
Here you go, I'm pasting some relevant links below:
https://en.m.wikipedia.org/wiki/Maize
https://en.m.wikipedia.org/wiki/Wheat
https://en.m.wikipedia.org/wiki/Sorghum
https://en.m.wikipedia.org/wiki/Millet
https://en.m.wikipedia.org/wiki/Finger_millet
And there are some more millets. Google them.
Also, for vegetarians (who don't eat meat in any form, land or sea based), which is hundreds of millions of people in the world, due to culture or religion or lower income), legumes are equally important, along with cereals, to give the proper balance of essential amino acids needed to make the needed protein for our bodies.
Google "essential amino acids" and "complete protein" topics.
And I have only scratched the surface of the subject of nutrition. I am by no means an expert. I am just a beginner, who has an interest in the subject, for my own personal use, and to share any info I pick up, with friends.
You're welcome :) ;).