Channelling spare cycles into new [limbs]
Of course, now someone has to come up with metrics for how much coordination synergy and productivity are lost as the number of available tools increases, how much time it takes to become fluent with a toolbox of a given size, how these things break down with fatigue, debility, and stress, etc.
We don’t want any “massive Ginger recall initiated due to injuries when it runs out of power” oversights for brainstem implants, do we?