But you guys (Ari and Goosey, though Goosey is just a troll anyways so w/e) are looking at it the opposite way around
We see a difference between Asian and Caucasian people not because they are distinct groups biologically, but because we have come to perceive certain groupings of physical traits as a particular race.
It's so obvious how many people don't realize there is no biological basis behind race--all you have to do is look at individuals who defy their expectations.
Take Björk for example. She's white. But one of the most commonly Googled things about her: "is Björk Asian?" It's just because she has physical features that people commonly perceive as Asian, even though they occur in other groups too.
Or my best friend, who is Asian. Roughly Brandy's skin tone. She regularly meets people who are so surprised to learn she's not "African American at all!" Again, it's just because people see a certain skin color and automatically equate that with whatever ideas of race they have.