Earlier quoted context omitted.
>> You really don't want to end up with dementia and related illnesses, it totally sours everyone's view of you. I don't think this is fair. I know several people who died with Alzheimer's and although their final years were very difficult for them nobody has a bad opinion of them. It's certainly a strain on the family but intimating that if you have dementia you better kill yourself or your legacy will be ruined is…
I think the suggestion needs more thought, but I don't necessarily disagree with the idea of making my exit before the dementia really sets in. I've directly cared for two family members who suffered from it (collective 5 years of my life, which I'd like to think gives me a pretty good view of what the disease can actually do to people) and I decided for myself that I'd rather be quietly killed than put my loved ones…
It seems like DIY methods could be risky to your family if you're already impacted by the disease, and your own competency is called into question.