> But then it doesn't seem to address any of them! No, but the book he references does address them, with unusual clarity: https://www.amazon.com/Open-Borders

> But then it doesn't seem to address any of them! No, but the book he references does address them, with unusual clarity: https://www.amazon.com/Open-Borders-Science-Ethics-Immigration/dp/1250316960/ https://www.amazon.com/Open-Borders-Science-Ethics-Immigrati... At the bottom of the post the writer thanks one of the authors of that book for reviewing a draft.