4chan says that it raises oestrogen, but I was treating this as usual 4chan trolling.
"I drink a gallon of soy milk a week and tofu and tempeh almost daily. Never had a problem with anything, best shape of my life, and highest test levels ever."
^^^ "your situation is anecdotal and thus insignificant for trying to prove some point."
There are lots of sites that describe everything these days. 4chan being one example. I was looking for something that had some scientific credibility.
Examine.com is probably the best resource out there for science based nutrition information.
Also, soyabean is mostly GM, which doesn't go down so well in EU either, though some varieties are approved for use - possibly due to further labelling requirements: https://www.fsai.ie/legislation/food_legislation/gmos/labell... and the association with the (over)use of glyphosate.