Well, language aside, if there’s nobody else out there, it would be an ‘awful waste of space’.
One thing I didn’t like Adams doing is putting words in God’s mouth, having Him say He refuses to prove His own existence—claiming that proof denies faith (anything but).
Plenty of potential in that “awful waste of space”; Isaiah 45:18 notes that not just the earth but the heavens are “formed to be inhabited” . . .