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 solutions here don’t seem to really be solutions in my opinion, especially the third one. It’s like if the problem a patent solves was “being able to individually package sandwiches on a conveyor belt” and the solution was “have a machine that recognizes where one sandwich ends and another begins so it can stop and start packaging appropriately.” Like, no kidding, but how?