Thinking that the BionicMobileAssistant is just a type of Festo Bionic Handling Assistant neglects the most critical function of the former.
A robotic arm that moves on wheels or a ballbot is not the same as a fixed arm; this is a fundamental flaw in classification.
This hierarchy does not take into account mobility, which is the true added value of the MobileAssistant.
It's like saying that an autonomous car is just a more sophisticated steering model: mobility autonomy is the decisive factor.
The weak link in this comparison is the neglect of autonomous navigation.