[quote=@Etcetera]
<Snipped quote by souleaterfan320>

Looks impressive.

<Snipped quote by Revolutionary>

The birth rate of any species naturally stabilizes below the carrying capacity of an ecosystem.

[/quote]

Yes. But people though. They create situations where there populations flood planets. Overly so. And between all the planets they have out there, it's really best to keep some places with space open, because there is a great lack of it in a lot of places.