“I’m sorry, but I don’t buy that,” Lamont scowled. “His people were exploring these stars when yours and mine were waving goodbye to our tails. You want me to believe that his big pink brain couldn’t see this coming?”
It occurs to me this solves the mystery of the alien shuttles on the tower's landing bay. It's not that they couldn't leave, it's that they had nowhere else to go.
Are you OK Elliot?