Earlier quoted context omitted.
One take I heard about yoga that kinda applies here is "if yoga is injuring you, your understanding of it is wrong" I think the underlying issue with all these asian-spiritualism-turned-western-nouveau-health is that western people sometimes come in wanting things to be intense, clinical and goal-oriented. But that's literally the opposite of what most of what these disciplines are all about. Asian health upkeep prac…
Tai Chi is intense and goal-oriented; it's a martial arts system. The katas look like some kind of calm "yoga in motion", but the katas are not the core of Tai Chi.
IMHO the biggest dissonance between western idea of "intense" vs eastern is that westerners think of intensity as optimizing for burst amplitude (in martial arts' case, specifically honing combative prowess), whereas easterners think of it as a matter of consistent holistic development (core strength, balance, attention, etc).