Indeed, I was just wondering whether there was any practical reason for it. But since "sounds cool" is a more-than-sufficient justification for any Virgin activity at this stage, and since "building a spaceport" was really just "buying an old airport in the middle of the desert and putting up a new sign" I guess I'm not too surprised.
Plus, given time, we may see a vicious hive of scum and villainy grow in the surrounding area.
Albuquerque?