"Look closely, you Kela people. Those men are the result of trying to resist us. Even if they successfully undergo thought transformation, they must endure a thousand years of hard labor to demonstrate their loyalty and expiate their past sins. I hope you do not follow the same path and waste the excellent opportunity granted to you by the Wa Star Civilization..."
As the guards escorted the Kela prisoners to Transformation Star, they also acted as tour guides.
The situation she described is essentially the current state of Transformation Star. Undergoing thought transformation is only the first step; the second step involves a thousand years of hard labor, which offers a chance to return alive to the Wa Star Civilization.