> arbitrary choices made a long time ago that became standards
That sounds like a description of culture.
> If it was cultural then newer designs like computer interfaces would be affected.
Does the big TV run by a computer not count as an interface?
Okay, do you have some pictures of chinese stock websites?
> Also you ignored traffic lights.
What about them? Yes Japan uses the same color scheme as the US for traffic lights. Because the idea spread that way. I don't see how that's relevant to either of my examples that talked about Japan?
...you're not suggesting that one situation where colors match invalidates situations where colors are different, right?