You're the one that wants to overturn conventional understanding of human biology, so the burden of proof is on you. That may involve thinking on your part, which may be also be a burden.
Okay, let's take a step back here. I am simply asking you to clarify what you meant by these two statements, particularly the text I've marked out in
bold:
I'm saying it's unreasonable to base what's considered normal human biology on fringe cases, but to equate that with denying the existence of people is absurd.
While I personally respect someone's pronouns of choice, I disagree with the notion of basing biology on outlier occurrences. Some people are born with more than two nipples, should standard human biology state "there is no defined number of human nipples, as people can be born with any number of nipples", even though <0.5% of people are born with a third nipple?
My confusion is around the phrase "base/basing biology on". I don't know what this means in practice. Can you please explain it?
Moving on to this concept of "burden of proof," note that I have made no factual assertions that require any proof. The only assertion of fact I've made is that you, personally, do not know whether 99.75% of people have a gender presentation conforming in all respects to their biological sex (nor do you actually know whether 99.75%, or any other percentage of people, actually
have a straightforward biological sex in the first place!). This fact requires no proof because it's self-evidently true; indeed, you tacitly admitted as much here:
Well, I'll be waiting for statistical evidence to the contrary
So basically, what you're telling me is you're content to treat your own assumptions as fact until someone else does the work required to prove your assumptions wrong. Which just makes the next part of the post even funnier:
If the facts don't fit the theory, change the facts, right?
I note that, at the time of this writing, you have adduced zero (0) facts to support...whatever argument you're making.
You're deny biology is, because it's not what you want it be. And something tells me reality won't be acceptable to you until it conforms with whatever you consider "actual reality". Totally unrelated, but have you ever met a true Scotsman?
Finally, this is straight-up projection. The only person in this discussion who has adduced any actual biological facts at all is me (refer to the Tweets about chromosomal, cellular, hormonal sex). You seem to be "basing" your arguments on your own assumptions and on what you want to be true, while being completely uninterested in actual biology or biological facts, all while accusing
me of ignoring reality in favor of what I want to be true.
It's very strange. And I
still don't know what you mean by "base what's considered normal human biology on fringe cases."