Your thesis is spot on. People who suffer mental illness are being betrayed by their own biology and not in complete control. Unfortunately, society refuses to wake up to that scientific reality and continues to blame those of us who live with these challenges. I've done a bit of writing on this myself if you'd like to have a read.

https://darhtbjehl.medium.com/every-molehill-is-an-everest-a-brief-primer-on-depression-and-the-brain-fdc0291b5f31

https://medium.com/happily-faithless/cursed-unto-the-third-and-fourth-generation-98816b9acd41