Speculation is that plants produce phytoestrogens for herbivore birth control.
"Phytochemical mimicry of reproductive hormones and modulation of herbivore fertility by phytoestrogens" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1474615/
"Phytochemical mimicry of reproductive hormones and modulation of herbivore fertility by phytoestrogens" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1474615/
I’m going to suggest there’s more going on than we know here. Ie there are toxic compounds leaching into food from plastic containers, possibly water supply, and definitely cooking utensils.