It wasn't meant to be an insult. All the other planets in his solar system had been deserted until the Traveler had given them the means to do otherwise. Of course, while they weren't completely deserted even after the collapse of the Golden Age, they weren't held by those of Earth any more.

     "Fighting. Every day out there's a battle. Every day we've got Guardians taken down Fallen, filtering out the Hive, the Vex... We're protecting our City and those within its walls who can't fight."