As far as I know it's all just beans, they are all eatable by humans. The difference between resource consumption of different types of soy crops, if any, is no

As far as I know it's all just beans, they are all eatable by humans. The difference between resource consumption of different types of soy crops, if any, is not comparable to the difference between eating the soy directly or feeding it first to an animal, the second is a much more wasteful and environmentally impactful as you can imagine.