What’s more likely in the techno-fascist idiocracy of the 21st Century?
We somehow manage to turn statistical models into super-intelligence… or the incompetent, criminally-corrupt, sociopathic leadership at the top of capitalism train an AI to defend the rich from the working class — by training it to be the most efficient killing machine possible — integrate it into fully autonomous killing machines, and it (accurately) determines the most efficient way to kill 99% of humanity is to start a nuclear war?
Canonically, the first T-800s are going to have been released this very year.
Also SkyNet only attained true intelligence when it was remodelled on RoboCop’s neural structure, which is mostly biological.