Certainly euthanasia is not about a private act. It really gives one person the ability to facilitate the death of another person. Thus it is a public matter. It can lead to abuse, erosion of care for the most vulnerable people. The Christian view is consistent with the Declaration of Independence, that our Creator has endowed us with certain unalienable rights, and among these is life.
Life is the first right.
Without this one, any others are without effect. Quality of Life . Many of us mistakenly believe that life is life only when it is healthy and comfortable. But God knows better. As C. S. Lewis remarked, this fullness of experience is so necessary to our souls that 'perpetual springtime is not allowed'.