Robotic Pets Vs Real Pets. If you want something that actually does the sorts of things that a dog will do an aibo is an appallingly bad substitute. But robot pets so far are not meant to be substitutes for real pets in the general sense.

First of all robot does not need much time to clean its body and its place like real pets. Robot pets take the place of real pets in human life. Nobody including the manufacturers is pretending.
The robotic paro actually showed better results than the real therapy dogs at the beginning of the study but slowly decreased whereas the dogs stayed consistently high.
And current robo pets indeed do a very poor job of pretending to be a real dog. Nobody including the manufacturers is pretending. University of melbourne animal welfare researcher jean loup rault phd says pets will soon become a luxury in an overpopulated high density world and the future may lie in robot pets that mimic the real thing. If you want something that actually does the sorts of things that a dog will do an aibo is an appallingly bad substitute.