Granted that paintball guns don't meet the definition of firearms, but I wonder ...

Granted that paintball guns don't meet the definition of firearms, but I wonder if you've seen the software driven turrets that some folks have rigged up?

https://www.youtube.com/watch?v=nTs7VRFV36c (and others)

Substituting other devices to be actuated seems... trivial, and well within the reach of even hobbyists.