Soy- Yay Or Nay?

The soy debate is ongoing. It's been linked to slowing metabolism in livestock and rats. It's been known to attack an already low thyroid. Unlike gluten and sugar, it's effects don't seem to be well-documented or substantiated. What does exist, however, are compelling arguments. Is it a coincidence that soy, while relatively new to the American diet, has been touted as this "power food", yet hasn't seemed to slow the rising rates of obesity? Is it a coincidence that there are studies beginning to link the presence of soy in a nursing mother's diet to a child's development of endocrine related disease? Is it also a coincidence that the soy industry went from making $1 billion a year to $4 billion once it was endorsed as a "healthy" food in America? Who do you suppose paid for that endorsement? And their profits stand to increase by 11% every year. Natural Health News So, who stands to profit by me thinking soy is a "healthy" food?