Is this a joke?

Is this a joke? is one of the terminal entries located on the Tempest. It is a follow-up email after Uncovering the Past if Ryder chooses to send the AI to the Nexus.

Text
"To: Ryder

From: Kesh

Uh… what did you send me? At first I thought it was a joke, but no, you sent me a hostile AI.

Ryder?!

Got her set up all cozy and tethered in SAM node—but not before she spaced a couple crates of supplies headed for Podromos and displaced the gravity in Pathfinder HQ. I didn't tell Tann or the others.

For now, this'll be our little secret."