> What puzzles me is that as of yet, there doesn't seem to be any talk of using "AI" (ie Neural Net stuff) for planning and strategy, which seems like a MUCH more powerful application than this stuff.

It'll probably be so effective, it'll still be fighting long after all of humanity has destroyed itself and left an irradiated environment.

Here are two science fiction short videos of an artist depicting such a future:

"LAST DAY OF WAR" - by Dima Fedotov | TheCGBros - https://youtu.be/IjJmTeBSEzU

"Fortress/Крепость" - by Dima Fedotof | TheCGBros - https://youtu.be/pyMNIFZTQkg

(edit: typofix)