Btw, there's quite evidence of that.
Spoiler Alert, click show to read:
Now, given that the range in those charts is 1980-2018, we might want to look more closely.
Eg:
Spoiler Alert, click show to read:
So in 2015, upper class White liberals in the media/academia/tech go full on intersectionality for some reason. It becomes their religion. There's a good chance it costs them the election and they blamed the shortcoming of their religion on Russia.
Nonetheless, if Katsumoto and Vanoi think it's fine as the Democratic core ideology, they can go for it.