Throughout the entire video there's different techniques in to make the video more interesting instead of just having a guy dressed in face paint dancing, the strobe light and ink design helps add intrigue and intensity to the video.
By having a black background, with white, green, yellow etc. glow in the dark UV portrays similar lighting and appearance to that of a club or gig, which helps the viewers have a interpretation of how intense it would be in a crowd or a mosh pit.