Zenyatta listens. If the new security detail has passed their background checks, then he will have to trust that they will do their job. The Legion will do what they need to in order to make the treaty mission success. Although the communication troubles are a little worrying. "That may explain why my systems do not seem to be functioning normally. Please do not worry. It is nothing that should compromise my ability to do my task."

Being a machine makes him a little more sympathetic for how hard it is to do upgrades and patches that don't also introduce bugs like someone reaching unintended locations or voice lines playing incorrectly.