Eugenios I think when this passage is discussed comments are often made to the effect that this passage means that a life of pleasure which is within reach of us is not inferior (at least, not necessarily inferior) to a life in which time is unlimited.
I think also this is one of those occasions when we have to be very careful about the meaning of the word "limit."
So when you say this I think you are precisely correct:
Pleasure remains pleasure, but, if we were ruled entirely by our σαρξ we would feel we deserve - indeed, are due! - infinite pleasure which entails the requirement that we need infinite time and must therefore see death as an evil.
But in this next sentence I think some people are going to think we are avoiding the real issue, and interpret it in ways that would vary widely (what is the BEST life?) and so additional clarity would be desirable.
However, our διάνοια allows us to make choices and rejections based on a goal of leading both the complete and the best life right here and right now.
What would you say to the question:
"Ok, I understand that you are telling me that I don't need to live an infinite time to live the best life. What are you telling me about how much time DO I need, and how am I to spend that time in order to reach that best life?"