You mean like... competition?The real solution is to change our dominant culture from one of infinite growth and consumption into one that doesnt.
Entering space with the ideology of a cancer cell just leads to us being cancer in space!
Because that's at the core of it. If you won't expand into free real estate, someone else will, develop it, and use it as an advantage in any future conflicts, political, economic or military, against you. That way not only you get to enjoy the downsides of "infinite growth", but someone else will be enjoying the benefits!
And that's somehow supposed to be exceptionally bad?Human nature being, of course, the universalized culture touchstones of liberal capitalism invented within the last millennium, in certain parts of the world, which required blood and fire to spread.
Do i need to list all the cultures in history that have spread by proverbial blood and fire?
How many prominent, existing and historically significant cultures would not be present on that list?