So what's the word to describe what they are talking about. Go ahead and assume what it is they're getting at, and answer it for us.

I don’t know if that’s true or not. I know a lot of what you are saying first came from John William Money who… has a actually pretty evil history that should make everyone reevaluate the concepts [0]. I think the simple answer is we don’t know. We don’t know if you are right, we don’t know lots. But one thing we definitely do know is XY humans have more muscle mass and bone density on average than XX humans.

It’s probably not fair to put them against each other because of internal identity claims.

What is the hurry here? Why must we change women’s sports right now? Am I not told to “believe in science”? Where is the hard science on gender identity?

[0] https://www.amazon.com/gp/product/0061120561/

This is a good example of how the popular narrative of the right being anti-science is wrong. Both 'sides' are absolutely anti-science on any topic where the science would be an uncomfortable truth for them.

Republicans can't do climatology; Democrats can't do biology.