4 ms·

The existence of other planets doesn't seem to explain why they wouldn't colonize Earth. I would expect them to go everywhere.

• s1artibartfast 6y ago
  What would the point of going everywhere be?
  • kentonv 6y ago
    To harvest all available resources in the service of whatever higher goal the civilization has.
  • scotth 6y ago
    Maximize resource collection and manufacturing? Surely there's usefulness in raw materials.