You might be right, but it is gatekeeping, and that argument itself isn't an argument I give much merit. People don't need hormones to transition, nor do they need to change their bodies. A consensus for gender isn't something that often works in our favor, even for binary trans folks like me.

The way we characterize species is wack. The whole origin of species is that we like to categorize. Evolution doesn't care about our classifications; only that the organisms can continue replicating. Classifications are just mental boxes that serve a purpose, not anything real. There is no spoon except in our mind.

Like I said, I suspect there is something more to other kin than gender, as they might be simply using the only language they have available. If there is to be another way to define them, it must come from them. When cishets try to categorize trans people, they often use the categories to constrain us, so I'll let the other kin handle how they're defined. Living without having a perfect way of labeling them is hard, but I won't be part of efforts to force them into a box.

Science can get us closer to fundamental truth, but like the speed of light, it isn't something we have any hope of reaching.