Yes, I agree that cost-effectiveness does not mean me-simulations would be useful.
What is needed are specific/empiric reasons why such posthuman civilization would want to run those me-simulations, which I haven’t done in this article. However, I tried to give some reasons in the next post (where you also commented) : https://www.lesswrong.com/posts/8fSaiJX7toRixR6Ee/are-you-living-in-a-me-simulation
Yes, I agree that cost-effectiveness does not mean me-simulations would be useful.
What is needed are specific/empiric reasons why such posthuman civilization would want to run those me-simulations, which I haven’t done in this article. However, I tried to give some reasons in the next post (where you also commented) : https://www.lesswrong.com/posts/8fSaiJX7toRixR6Ee/are-you-living-in-a-me-simulation