If they say his name out loud, it can be queried quickly from their database of voice to text from listening devices. like Voldemort's spell. So he must have access to that system. Just guessing…
No need for the sigh, sonny. There are people here who assume the traitor thing, then Q keeps harping on something we think we already knew, making us want to try for something else. Like a teacher who gets a kid who answers correctly first, but then lets other kids answer after that. They assume that the first is wrong. The answers keep getting more off-base thinking the teacher would have stopped at the right answer.
And anyone who has listened to Field McConnell for a while knows all about the father and grandpa, too. And BHUAP, and MH370/DiegoGarcia/MH17, Piggy palace, wood chippers, facial recognition, patent theft…