Very cleary what you said was "National American culture is very white... It's finally shifting, tho, which is nice." You gave no explanation of why being "very white" is bad, moreover you did not explain why "shifting" is good. That would serve to imply that the default state of being white is undesirable and as such the state of being less white is desirable. Now that may not have been your point but that was what you said in the two aforementioned posts.