I would not fight for immortality with the risk of loosing my life unless I had absolutely no other choice. I see my entire existence as a fight for my life, so it would make no sense to risk loosing the "war" in one battle. Fx. I will not defend "my" country by going to the battle field. The risk of death is to high. I would much rather move to another country that is better protected.
The hole patriotism and nationalism thing is in my opinion total BS. So is holy ground and sacred land. Places are only special because we invest in them. We build structures and connections that are permanent only through our dependency of those. But it seems that special feelings towards places is being explained by the connection to our ancestors, which has absolutely zero value to me. Why should I defend a place because my ancestors did? This world gives me other choices.
Yes, I hear you say, but you cant run forever. And you are right. I cant run forever NOW, but I might in the future and I do have another choice. I can always join the enemy. And believe me, I would if my life depended on it. Now, that might sound a bit selfish, but you have the same choice. Why should I defend you with my life when you have the same choices as I. All I need is my technology to function, and I know there are people who thinks the same way. So they can come with me if they like.
Now, there is of course fights that can be won without the risk of death. It is not like I would just run if some lame ant-farm attacked me, right. It would take a hell of a lot of ants to kill me.
The same I would say with other minor enemies. Yes, the risk of death is a constantly dynamic value.
So, what does all this have to do with fighting for the right to, or possession of immortality? Well... What I guess I am saying is. You almost always have a choice when the "war" is for your life. When that choice has to be made, your feelings goes out the window. And so does your "life" as in possessions, friends, family, job, country, knowledge, passion, power, certainty and anything you might think is worth your existence. It is not.
IMO.