"Thank you for your kindness, but our current situation is stable, and we do not wish to leave our homeland!"
The robots on Silicon Base Star ultimately declined the invitation from Mechanical Civilization, as they did not understand it and were naturally unwilling to take the risk without clear motives from Mechanical Civilization.
Mechanical Civilization did not give up and continued to send messages persuading: "We understand your concerns, as the sudden appearance of a strange civilization would certainly make any civilization cautious. We have encountered such situations many times before. But rest assured, we are the same race and would never harm our own kind."