The point is that something that became a true AI could be very fast at learning some things, like how to interface with other people or machines, but not very

The point is that something that became a true AI could be very fast at learning some things, like how to interface with other people or machines, but not very quick at other "life skills" like empathy. We're not worried about AI on the whole, but the blasted teenager AIs that feel the need to test their limits. Anything that functionally acts in a similar fashion could be dangerous.