Then it’s not a binary system. It’s a system with two extremely dominant members. Those are different things. You can be more binary in specific contexts e.g., gametes and egg vs sperm.
I’d be very cautious about the healthy description in reference to intersex people. I don’t believe you are trying to say anything nefarious, but there’s a reason it shows up in eugenics arguments.
I didn’t say sex was a spectrum, though perhaps someone else you were speaking with did. I wouldn’t use spectrum for sex, since there are multiple differentiating factors with differing measures.
The red mirage/blue shift will probably be much smaller than prior elections, since it seems Trump supporters are using early or mail in voting more than before. The splits by party for these methods are smaller so far this year.