And, it sounds like Impossible may have made a conscious decision to minimize isoflavones in their products. They have a page dedicated to discussing the safety of soy, and yes, an Impossible Burger contains "under 2 mg of isoflavones" whereas a "traditional soyfood" of the same mass might contain 25 mg.
At a cursory search, it seems that evidence for notable effect from flavonoids is mixed.
https://en.wikipedia.org/wiki/Isoflavone
https://en.wikipedia.org/wiki/Phytoestrogen#Effects_on_human...
And, it sounds like Impossible may have made a conscious decision to minimize isoflavones in their products. They have a page dedicated to discussing the safety of soy, and yes, an Impossible Burger contains "under 2 mg of isoflavones" whereas a "traditional soyfood" of the same mass might contain 25 mg.
https://impossiblefoods.com/ca/blog/soy-facts-myths-and-why-...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5188409/
This, though, is a much better discussion than simply dismissing them as processed.