Artificial Intelligence: when robots have emotions, is that good or bad for the world?

There are many tear-jerking scenes in this movie. It's a good movie!

The robot slaughterhouse where the robots are arrested over and become violent entertainment. The nanny-bot remains soothing to David when he's scared, and even smiles in the face of the moment he's doused with oil.

The gang of robots is more helpless, by the creation and also destroyed, on behalf of the robots heartbroken dancer Joe, after saving David, and ultimately attracted by the pendant, flew into the never again memory of the cage. Wanted David to tell the girl he knew that he existed, Dancer Joe. David wished for 2000 years, got a day of eternity, and finally fell asleep with Teddy.