Doesn't need to replace a human; just needs to be Good Enough™ to save the human 80% of the time they would spend in unproductive back and forth. Just like a d

Doesn't need to replace a human; just needs to be Good Enough™ to save the human 80% of the time they would spend in unproductive back and forth. Just like a dishwasher is not a replacement for a scullery maid; and won't individually polish each piece of silverware like a proper butler. This doesn't need to be a human level fully rounded intelligence imbued with common-sense. It just needs to be able to reconcile schedules and locations and travel times.