What's the alternative? Inaction until science figures out the human body?

At the end of the day, it's just you doing what works for you. When you do find something that works for you, it's just another anecdote that won't work for everyone else, but it's hard to argue with what makes you happier.

Also, it's not like eating less is exotic or risky. It's one of the many things I'd try if I was suffering.