Asserting that the BionicMobileAssistant is just a category of the Festo Bionic Handling Assistant overlooks the major failure of this comparison. The Bionic Handling Assistant is an arm that manipulates objects with precision, but it is stationary; it doesn't move by itself. The BionicMobileAssistant, on the other hand, is an autonomous mobile system with a ballbot and an arm, designed to move actively in changing production environments, which is a fundamental feature that the other lacks. Ignoring this capacity for autonomous mobility makes this hierarchy quite shaky, as if saying that an electric scooter is just a variant of a handlebar.