For the same reason that a personal assistant is vastly more useful and powerful than a PDA, even though they might nominally serve the same function of remembering phone numbers, appointments, etc. people are extremely likely to want to create agent AIs.
For the same reason that a personal assistant is vastly more useful and powerful than a PDA, even though they might nominally serve the same function of remembering phone numbers, appointments, etc. people are extremely likely to want to create agent AIs.