True, and I wasn't necessarily advocating that point of view, only trying to clarify what the OP might have meant. However, I'd also add that immortality being

True, and I wasn't necessarily advocating that point of view, only trying to clarify what the OP might have meant. However, I'd also add that immortality being an option doesn't necessarily mean that the death rate would become zero. Some people may opt to die or be unable to afford whatever the cost may be (not to mention homicide, accidental deaths, etc).