I think he means in the long run. His claim is that eventually you have a large group of average intelligence humans on our new planet and we decided to pursue

I think he means in the long run. His claim is that eventually you have a large group of average intelligence humans on our new planet and we decided to pursue colonization tech instead of sustainable energy and environment tech. Of course, my bet is that we will reach the point where we can sustain a planet before we run out of planets (assuming we colonize a planet). My actual bet is that it's gg for humanity.