My gut reaction is actually the opposite of yours, I feel a bit relieved knowing there's one less human living in unbearable pain.

Life is complex and it is not within me to fully comprehend everything that everyone around me is feeling, all I can do is help to the best of my abilities and respect others decisions.

As for the reason why this is an article, it's probably because this is quite new for a lot of people, like when antibiotics was first found. At first it was the news of the century and was advertised on the news, now it's just common practice and you don't even know when doctors use it on another human.