>It's more that humans have been able to define, with significant disagreements, what race someone is with their stupid human eyes.

Sorry, that's also true.

My asterisk was talking more about the inability to visually tell the difference in many cases. The black people in America who could pass as white in the 1950's (or now). Or how Latino and Middle-Eastern people often get confused. There are numerous cases, both specific and general.

But yes, it's not an objective truth being measured, and I'm sorry if I implied otherwise.