Im not gonna say that all of taekwondo is useless, but when you weigh only 50 kg / 110 lbs and don't do any strength training or punching then it is useless. A lot of the her kicks don't have power and give the opponent her back. When you wrestle or do mma and give your opponent your back the. you get mat returned, suplexed or choked out.
Dude, what's your and other dudes like yourself obsession with smacking and choking out girls? She and girls like her who do martial arts for Olympics and mind+body discipline, not to be professional MMA fighters or go looking for street fights. Not to mention she's Serbian chick, they never go out alone and always have like five friends to watch their back when they go out, so she'll be least of your worries.
I have this on vhs. I recorded the 1991 Canadian National Championship on TSN way back when. I started practicing this variant of the spin kick. Awesome clip 👍
Bianca Walken may won that moment but now with the match in RU-vid, she will forever remembered as a dirty cheater not just in the TKD community but the whole world.