They are tagged as motorcycle scandal because they rode it to go in a place and it witnessed their scandalous act. Whenever there is a person who will pass their location, they stop on their things and move again to another destination through their motorcycle. They are unaware of the other rider who followed them and seen all of their actions.
It became obvious on the video that the rider who followed them and the guy seems to know each other. The two took different angles to capture their acts while doing it in outdoor.
Netizens can not throw advice to the girl involved as she was already on legal age based on looks. She only trust her partner and agreed to what he wanted even it is inappropriate.