These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Unfortunate Implications: The amount of raging people did over the audacity of including a white guy in a martial arts movie would be (rightly) viewed as astoundingly racist if even half the outrage were expressed at including any other ethnicity in any other genre. (Perhaps a black family in Camelot?)
The gang leader is shown to know Taekwondo. Some viewers couldn't avoid thinking in a "Kung Fu > Other Martial Arts" message.