>>76407992This is because white is culturally defined by being FULLY white, while the minorities are defined by only small but significant amounts of minority DNA.
Many NBA players are under 50% black but still look black and call themselves black. Steph Curry is technically like 70% white but still is considered a black man.
I've met hispanic kids that are mostly white and look 100% white but still qualify as non-white on studies like this.
The average zoomer is still overwhelmingly white in DNA percentage, even though they may identify as black, hispanic, or whatever non-white DNA they happen to posess.