What surprises me with all of the robots is that the engineers had the freedom to create the best machine for all purposes, yet they keep creating a "humanoid"

What surprises me with all of the robots is that the engineers had the freedom to create the best machine for all purposes, yet they keep creating a "humanoid" with 1 body, head, 2 arms and 2 legs. Is our human body form really the best for all tasks?