It is great that you could bring up the curiosity to bust the soy myth.
There is no moral consumption of animal products. Many people a lot smarter than both of us (or at least mor dedicated / funded / in their jobs) have made the research and come to this conslusion as well.
The most people who oppose this fact feel attacked at first because it can't coexist with their own behaviour. It is the same as with every debate where emotion gets brought up as a reasoning though (e.g. refugees, climate change, homeopathy, etc.).