What's your opinion of the non-bianary argument and allowing people that claim it or being transgender to participate in female sports?

I listened to a symposium on this.

One is born with either XX or XY chromosomes. One can change their appearance and claim to be something different but it doesn't change what nature has made. That is neither anti or hateful; it is simply stating what is.

Whats your opinion of the non-bianary argument and allowing people that claim it or being transgender to participate in female sports?
What's your opinion of the non-bianary argument and allowing people that claim it or being transgender to participate in female sports?
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