@Veho realistically, a self conscious general AI that wants to destroy humanity won't need to make cyborgs, they can easily synthesize nerve gases or even bioengineer viruses deadlier than ebola and more viral than measles.
Realistically, a self-conscious general AI that wanted to destroy humanity would more likely steer humanity towards self-destruction by promoting harmful ideas and divisive rhetoric and general warmongering in media...
Now if that's an underestimate, I dread the actual impact.