No one has found the location of the Machina’s AI, but the machines who comprise the Machina have no problems finding you.
Too bad it’s a crapshoot on if an encounter will be friendly or not. The hivemind is clearly insane as a peaceful greeting can turn into a deadly firefight within seconds or vice versa, without warning or even any apparent reason. From humanoid looking to quarter-mile-long metal millipedes, it’s best to avoid any contact with what is clearly a malfunctioning AI.
Pax Machina can be very chatty. It refers to itself as “We” and constantly extolls its own virtues. “Please rest assured that the genocide of your species is necessary and we will carry it out in compliance with all safety and regulatory standards. Pax Machina hopes you will enjoy your extinction.”