It is not that you can't outsource it, but there are so many variables that once you finished explaining them to the assistant (human or AI) you'd be better off

It is not that you can't outsource it, but there are so many variables that once you finished explaining them to the assistant (human or AI) you'd be better off doing it yourself. A human assistant only makes sense if he/she is your everything assistant and has knowledge about your work schedule, life, kids, financials, etc...