They are working on that, to be sure
https://www.discovermagazine.com/mind/a-new-silicon-chip-might-one-day-replace-aging-brain-cells
We already have killer robots---the Tomahawk missile. As a bonus feature on the movie MOON it shows how this kind of tech is worse than a Terminator-800 or whatever.
A Gundam could be felled by an RPG to a joint, however.
Cruise missiles and auto-pilots have been around for decades.
I would like to see AI design their own fanon starships.
What happened in the movie Moon? I never saw that, but did see the boring movie Ad Astra