What is this help, and how is it being prevented?
> When in fact China is a fundamental component in the global economy and everybody's quality of life, such that we all implicitly support it by, for example, buying their cheap-labour subsidised goods.
How is that relevant?
This idea that we cannot say one part in the conflict is clearly in the Wrong (or even evil) unless we reject the country as a whole is just silly beyond belief. I'd even say that's been the default position of much of the Europeans regarding the US for decades now.
> If the citizen's of the world actually understood the situation then they would have more opportunity to exercise their economic and diplomatic powers.
That's rather ambiguous. What specific actions are you thinking about?