We don't need to have space literally transformed into junkyards to make progress, and there is nothing going wrong with going a lower pace if it means reduced impact on the rest of society.
Your focus should be on junkyards on earth, which are exponentially greater in number on a surface area that is a fraction of the surface area of observable space. You’re complaining about a potentially artificial speck of light in the sky while plastic litters the highway you commute on, and India produces literal rivers of trash.
Every year that you delay Africa and south asia getting to western levels of development equals tens of thousands of under-5 deaths that could have been avoided.
Most of Africa and Southeast Asia has Internet connectivity that is cheaper and more ubiquitous than in North America. They are very well served by an extensive cellular network. Satellite Internet is not what is holding them back.