> And that's the real problem for the nay-sayers. They know that they don't have to live forever if they don't want to. They just don't want other people to live forever. They want to live in a world where other people die.
If one can make a good argument that people living forever would have too many downsides in the long run, one might reasonably not want others to live forever. This is similar to environmental policies. Even though one may not live through most downsides of current bad environmental policies, one may still want good environmental policies for the sake of their children.
Sure, I agree with that. But at that point it becomes a philosophical/ethical argument: should we allow certain people to die (or even kill them) to benefit others?
There was a time (not even that long ago) when 50% of kids died before the age of 5. I can totally imagine people saying back then that this was the "natural order of things" and that allowing every kid to live would be disastrous to the environment.
My philosophy is that we should allow (and even enable) people to live as long as they want. I wish that were not controversial, but here we are.
> when 50% of kids died before the age of 5. I can totally imagine people saying back then that this was the "natural order of things"
One could imagine this, but it wasn't a serious position that anyone actually held. I think discomfort with immortality, especially on consequentialist grounds, is a more legitimate concern
This was famously the view of Social Darwinists. Herbert Spencer, for example, argued that nature should eliminate the weak. He said: "If they are not sufficiently complete to live, they die, and it is best they should die."
The most notorious case was probably Dr. Harry Haiselden, who refused surgery for some newborns with severe defects because letting them die was good for the species.
But, again, this is a philosophical/ethical argument. I believe that, in general, if people don't want to die, we should help them not die. I get that utilitarians are uncomfortable with that, but that's why I'm not a utilitarian.
If one can make a good argument that people living forever would have too many downsides in the long run, one might reasonably not want others to live forever. This is similar to environmental policies. Even though one may not live through most downsides of current bad environmental policies, one may still want good environmental policies for the sake of their children.