My grandmother has dementia and I am currently taking care of her. She was very much in the same way as your grandfather. We finally got her of proper medication such as Aricept and seroquil. She is no longer violent now.
I agree, if I had dementia euthanize me. It is something no family should...
https://wikileaks.org/podesta-emails/
I've seen these assertions of uneducated vs educated. While a college education is indeed nice to have, I hate that some want to shoehorn those without degrees as uneducated.