Well, everyone dies. I think by trying to avoid that, by wishing for Kirk and co to be eternal, you're actually arguing for the exact opposite of Generations' message.
Even Generations itself doesn't know what Generations' message actually is
. Especially in regards to what it is that Kirk wants most from life/death/retirement. That one seems to change from scene to scene. Knowing Kirk it sure as hell ain't making eggs in a log cabin.