Regardless of if its true AI or not (I understand its just machine learning) Cameron’s sentiment is still mostly true. The Terminator in the original film wasn’t some digital being with true intelligence, it was just a machine designed with a single goal. There was no reasoning or planning really, just an algorithm that said "get weapons, kill Sarah Connor. It wasn’t far off from an Boston Dynamics robot using machine learning to complete a task.
Elon can never let perceived slights go, like the Thai cave rescuer thing. He wanted PayPal to be called X and lost, now he’s rebuilding it 20 years later.