Addiction is the inability to stop doing something.
With the acknowledgement that addiction is a disease, what’s happening is a part of the brain cannot stop choosing to do something, for a variety of legitimate chemical and habitual reasons
This tries to play on the idea that skynet is terrifyingly smart in some ways, but still deficient in others.
It doesn’t really “make sense” but it’s the whole reason there’s a chance of an “ongoing” conflict between humans and skynet. If skynet was as smart as it should be, humans would be long gone.