I was referring to cases where "life" is just "not death", in the sense that "this person is alive just because we are keeping him so" (apart from the elementar

I was referring to cases where "life" is just "not death", in the sense that "this person is alive just because we are keeping him so" (apart from the elementary support like feeding, cleaning, etc.). I was not (certainly) referring to cases where the person is conscious and able to make decisions. There is little "palliative sedation" in these cases.