Separating this question from my main comment to avoid confusion.
Your medium post reads:
“Tyler Cowen, calling for faster technological growth for a better future, dismissed the Repugnant Conclusion as a constraint: “I say full steam ahead.””
Linking to this MR post:
The MR post does not mention the Repugnant Conclusion, nor does it contain the words “full steam ahead”. Did. you perhaps link to the wrong post? I searched the archives briefly, but was unable to find a MR post that dismisses the Repugnant Conclusion: