Is Tai Chi Ruined?

Tai Chi, or Taiji Quan, is now an official part of our World Heritage according to UNESCO. Is it legit? Can you use it to fight? Are there any benefits?  

Tai Chi, 12 Years Later, Finally Accepted to UNESCO Intangible Cultural Heritage List: 

Sanda is the dynamic Chinese kickboxing style that blends wrestling and striking making it one of the most practical styles for sport, MMA, and self defense.  Several traditional Kung Fu styles were blended to create this fast paced sport. You will get a great workout while learning fundamentals of Chinese wrestling, (Shuaijiao), Striking, Tai Chi, and Ba Gua.  Try our Sanda + Catch Wrestling online course!