If the individuals are healthy/sane, then one could definitely argue that they provide additional value in terms of experience. I find it quite sad and unfortun

If the individuals are healthy/sane, then one could definitely argue that they provide additional value in terms of experience. I find it quite sad and unfortunate that we as humans spend our entire lives accumulating knowledge and experience, only for it to vanish in an instant. Or in the even more unfortunate case, over many years due to dementia and other mental causes.