I have the same noise (as the video on youtube). I will be going in for my 2nd oil change (6k) in a week or so and will have them look at it. But I am already preparing for "oh that's normal" or something like that. We'll see.
Mine usually only happens in the morning when the car is cold. I park on a slight incline as well if that has anything to do with it. After work when the car has been parked all day on flat ground, I do not notice it.