This whole notion that the robot has to declare nuclear war is one part of the discussion, but it may not be reality. Reality is, maybe it can empathize to a far greater degree than we can and experience a way wider range of emotions. So, why not have a robot that can do that?
You can build a brain the size of a room, theoretically. You could also build a silicone based life form and it could be sentient. There's no limit to the height that you can reach in terms of design once we figure out how to design things, theoretically.
I've learned more, and I understand the process a bit better now. I can try to see how long I want to take in each aspect of the filmmaking process, and then arrive at around the two-year end mark.