If you consider that an LLM has a mathematical representation of how close any phrase is to "china politics" then avoidance of that should be relatively clear to comprehend. If I gave you a list and said 'these words are ranked by closeness to "Chinese politics"' you'd be able to easily check if words were on the list, I feel.
I suspect you could talk readily about something you think is not Chinese politics - your granny's ketchup recipe, say. (And hope that ketchup isn't some euphemism for the CCP, or Uighar murders or something.)
Now I wonder whether its vectors correctly associate Winnie the Pooh as "related to Chinese politics." There's many other bizarre related associations.
I suspect you could talk readily about something you think is not Chinese politics - your granny's ketchup recipe, say. (And hope that ketchup isn't some euphemism for the CCP, or Uighar murders or something.)