As he puts it: "...death is a loss... but...living too long is also a loss." It's a question of which we prefer, a shorter more vibrant life, or a longer one in which we eventually will have to cope with the challenge of a slow decline.
Tests are increasingly common, visits are increasingly short, and doctors now commonly forego thorough physical examination. Put bluntly, in the exam room we are already doing less talking and touching, and more testing.
Not surprisingly, doctors end up not tolerating uncertainty. In our high-tech era, this means more is done. A patient has seemingly vague symptoms, so the doctor orders some laboratory tests "just to get a baseline."