Yep. This is in Perth, Australia. At least one of the UberX drivers specifically said "See, I've just given you 5 stars, now you rate me" before I left the car. UberX has only been here a month though, so maybe drivers (and riders?) aren't sure how the system is meant to work. I've had 4 rides on UberX now.

No one's stopped me from leaving the car, and the rides were all okay so I'm not complaining about any drivers. But the implication I got was of reciprocal 5 stars.