A lot of technology comes from population increase too. Necessity is the mother of invention, and more brains and resources means you can do more interesting th

A lot of technology comes from population increase too. Necessity is the mother of invention, and more brains and resources means you can do more interesting things and things which increase the quality of life and production of everyone else. If you want technological advancement, innovation, and better life for everyone-- we need more people. And if you want space exploration and expansion, we need more people with more ideas and resources.