Honestly, the only thing that I felt as being off was how they portrayed Earth as being overpopulated. If there were multiple planets/settlements to move to, an

Honestly, the only thing that I felt as being off was how they portrayed Earth as being overpopulated. If there were multiple planets/settlements to move to, and an increased overall HDI, you would expect there to be less people on Earth just due to shifting demographic trends. But, other than that it seems really realistic.