The advantage of this video, in my opinion, is, above all, its obvious, I would even say, deliberate staging, if I may be allowed to express such an opinion. Otherwise, the activity depicted in the above video is clearly obscene, unacceptable, and sinful. This is my opinion of it.
The journalist is a professional - she knows how to work the microphone. And if the microphones are black and hard, she knows how to test them. It seems she wasn't expecting what happened, but by the looks of it, she liked it. Technically, both microphones work perfectly. :-)