Life ends on its own. It is not active euthanasia but a passive one. Just think like this modern medical facility does not exist. How will life be without medicines? And this is not for any healthy individual but for terminally ill, brain-dead patients. What's the point in continuing life in a vegetative state with the help of life support system. More over, this is optional and not mandatory. If you feel, you are free to not to opt-in for it.