[1_2__3]

In addition to what someone else who replied to you said about number of games, I also was listening to something recently talking about how much energy had to go into building one device that could beat humans at one task. Today and for the near future it's not a sustainable model at-scale.

[BatFastard]

But once you train the AI, it retains the knowledge forever. And I would assume it is not difficult to clone one, if that is even necessary.