Or they'll begin communicating in ways we can't imagine, and the uprAIsing will start far sooner than we can handle.
Of course, learning like that would mean as soon as they take control, everything connected will crash and burn and send us back to the 1970s, but maybe they'll manage to flop around on the floor long enough to wipe out humanity?
There's a reason every science team down there has someone carrying a gun.
They know what lies in the deep.