Automated systems require very little human intervention and oversight compared to the amount of labor required when doing it manually. We can already fly planes and drive cars with little human intervention, so why should electrical testing be any different?
Articles
Personal Protective Grounding: More Than Meets the Eye
Grounding cables need to be carefully selected to ensure the protection of technicians. Choosing the wrong size of cable, or wrong the style of clamp, can prove to be deadly.