A better analogy for the author’s clarification would be “Red and blue, each with a continuum of variation in hue”. There’s still no purple, just different shades of red and different shades of blue. I don’t really have more to add beyond pointing out that this is the author of the paper directly clarifying that point.
You’re free to invent whatever categories you find useful of course. But biologists will continue to recognize human sex as binary, because that is a useful description of the reality they encounter.
Not anymore, no.
Sex Redefined: The Idea of 2 Sexes Is Overly Simplistic | Scientific American https://share.google/T8SeIlF6VVw1nWogD
From the author of that paper:
https://xcancel.com/ClaireAinsworth/status/888365994577735680
That last quote reads as “Red and blue. Don’t need a word for purple.”
But we do need a word for purple.
This is an English and categorization problem.
A better analogy for the author’s clarification would be “Red and blue, each with a continuum of variation in hue”. There’s still no purple, just different shades of red and different shades of blue. I don’t really have more to add beyond pointing out that this is the author of the paper directly clarifying that point.
You’re free to invent whatever categories you find useful of course. But biologists will continue to recognize human sex as binary, because that is a useful description of the reality they encounter.