In general, soy is NOT a good food source. It messes with your thyroid, causes weight gain, and even inhibits protein absorption. Sure, properly fermented soy can be tasty and used occasionally without issue (for most people), but the soy in the typical American diet is not fermented and prepared safely. It is just added to everything because it is cheap and the populace has been duped in to thinking soy is healthy.
Fortunately there is an actual good use for all that soy that people should not be eating...
"Last week, the Bill & Melinda Gates Foundation announced that it's purchasing 50 pounds of fake poop. A practical joke? No, not in the least.
Nor is this synthetic poop a plastic replica of the real thing; it's an organic version made from soybeans. The Gates Foundation will use it to test high-tech commodes at their Reinvent the Toilet Fair next week." (more)
So next time you see SOY on the label of some food item in the store, just remember this article. Soy is crap. Don't eat it.