From the Australian b-girl with the meme-worthy “kangaroo” dance move to the silver-medal-winning Lithuanian in a durag, breaking’s Olympic debut had a few moments that raised questions from viewers about whether the essence of the hip-hop art form was captured at the Paris Games. Rachael Gunn, or “b-girl Raygun,” a 36-year-old professor from Sydney, Australia, quickly achieved internet fame, but not necessarily for Olympic-level skill. She was swept out of the round-robin stage without earning a single point, and her unconventional moves landed flat while failing to match the skill level of h…