Earlier quoted context omitted.
I think this is a bit of the wrong analogy. There's a big difference between judging someone unworthy of life and acting to kill them, and judging that someone is not worth the energy and struggle to fight against their own drive to throw themselves off a cliff. We're not collectively strong enough to save everyone. Getting strong enough is a goal to aspire to, but the dark reality is that in our state of weakness, w…
Never heard of "put them out of their misery"? Not acting and letting them destroy themselves can be worse in many ways to them and others around them rather than "acting to kill them". This is a hard truth, I am not advocated mercy killings but doing nothing to help them can be worse in many than doing something for all involved, which is why most advocate for doing something to help even is it seem futile, sometime…
Ultimately there's a never ending ethical conversation of when or if one ever has a duty to act to help others. I'm inclined to be believe there's a lot of cases where you ethically do have a duty to act, but we're not going to resolve the debate of where that line is here.
But there does exist a practical limitations to what you can do to save someone. A key rule of any kind of emergency response is to always prioritize your own safety first, because if you don't you risk creating an additional victim and making the situation worse for everyone. That can be an incredibly hard thing to accept when you see someone suffering and dying, but it's the truth.
If you jump in the water to save a drowning person, there's a high chance in their panic, they drag you down and you both drown.