> the reality is quality of life at 90+ is a lot worse than in your 20s or 30s.

All my grandparents lived well into their 90s (mediterranean lifestyle + modern medicine), and all of them would’ve chosen euthanasia had it been an option (they phrased that in various ways - essentially something along the lines of “if God could bring me home now it’d be good”).

It’s been a sobering thing to experience and it leaves me hoping that if I’m ever in their position, that option will be available to me somehow.