Deploying a Titan Level Spaceship instead of an actual War Star was naturally to ensure the safety of the Alliance. As long as the War Star didn't make an appearance, even if this civilization hid some risks, they could still be avoided.
And after all, the other party was considered a Level 1 Interstellar Civilization with a certain degree of interstellar combat capability, so deploying a "Titan Level" was a way of showing respect to them.
In any case, a single Titan Level Spaceship was enough to impose a significant deterrent, preventing any thoughts of robbery. The New Human Civilization had simply come here to investigate some matters and did not want to cause further trouble. It would be best if the other side cooperated meekly.
Therefore, it was necessary to display a portion of military force for deterrence. Otherwise, in the universe, there might indeed be some civilizations full of hubris attempting to come and rob...
