It is and it isn't. They came in with attitude with intention of showing us how much more badass they were than us. They would have been difficult to teach, despite their obvious potential. They would have been the antithesis of "the empty cup". They would have thought that their cup was full of better stuff than we had. The firefighter made the mistake of trying to take on my co-instructor (a longtime MMA/BJJ practitioner) on the ground.