Considering the huge number of games I have that I haven't tried yet, I don't think it's crazy at all to have a high threshold for buying yet another one.
Someone said in a separate post, where the same question was brought up, that it's because Black refers to a specific cultural group while white doesn't (that'd be Irish-American or whatever)
I think there should be four options for voting: agree / disagree / is relevant / is irrelevant, where the first three pushes the entry up, and the last push it down.
There's a Southpark episode where aunt Flo visits, and they say she visits every month and stays for a week. So I guess it's a common saying in USA, at least.
I remember playing it in elementary school in the 80-90s, where it was popular for a while. I wasn't very good at it.
This was in Finland.