I imagine the guys thinking their cars are chick magnets that will somehow make them appealing.  Going with that plan, let's assume it works. They rev the engine and cat call some woman in the street. Let's imagine the sun is hitting the windshield and she can't quite make out the man inside. But it's a cool car and she stops to meet the gentleman.  THEN she sees the blob try to extricate itself from the vehicle as shown in the video. Finding know why but that's the scenario I imagine