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I think that was in the context of laparoscopic neurectomy.
The nerves encountered in the anterior surgeries like Peter had are supposedly all sensory in that area even though they are mixed sensory/motor further up. The only exception is the genital nerve branch which provides motor innervation to the cremaster.
One thing I always wondered about is whether damage to these distal nerves can lead to more proximal damage in the area where there’s motor function as well, but I never read about such a mechanism. Damage in the other direction does happen – proximal damage leads to distal damage through the process of Wallerian degeneration.