This scientific study (https://www.ncbi.nlm.nih.gov/pubmed/20889965) states: "The fetal brain develops in the male direction due to a direct effect of testosterone on the developing neurons, or in the female direction due to the absence of such a testosterone surge. Because sexual differentiation of the genitals takes place earlier in intrauterine life than sexual differentiation of the brain, these two processes can be influenced independently of each other. Gender identity (the conviction of belonging to the male or female gender), sexual orientation (heterosexuality, homosexuality, or bisexuality), pedophilia, sex differences in cognition, and the risks for neuropsychiatric disorders are programmed into our brains during early development. There is no proof that postnatal social environment has any crucial effect on gender identity or sexual orientation."

Key points:

1. Testosterone causes the fetal brain to develop male
2. Lack of testosterone causes the fetal brain to develop female (thus far, NO non-binary identities)
3. Gender identity is scientifically defined as the conviction of belonging to the MALE or FEMALE gender ONLY
4. There is no proof that POSTNATAL SOCIAL ENVIRONMENT has any crucial effect on gender identity or sexual orientation. This scientific study directly states that much like sexuality, gender identity IS NOT A SOCIAL CONSTRUCT.

Another study: https://www.researchgate.net/publication/260487122_The_effects_of_prenatal_sex_steroid_hormones_on_sexual_differentiation_of_the_brain.

This study makes NO REFERENCE to non-binary identities, it discusses ONLY male and female brains, and only the possibility of male and female development. In development, whether the baby develops male or female depends on the hormones sex present. If there are androgens present such as testosterone, then the fetal brain will develop male as the study suggests. If there are less androgens, the fetal brain develops female. Gender dysphoria occurs when a baby which developed male, grows up to discover that in actual fact it is female, and this is scientifically observable via brain scans (and vice versa for female-to-male transgender people). However this does not mean there are infinite gender possibilities, it doesn't state this anywhere and it doesn't even imply it, in fact, it implies the opposite. To claim that this study proves there are more than two genders is a misinterpretation of the science, a huge scientific claim with insufficient scientific evidence.

If you believe these scientific studies are wrong, then post scientific studies that support your view. Otherwise, you can't just call me a bigot or transphobic for having a different opinion. That's not how science, reality or debating works.

Ultimately, anyone can identify as whatever they like. You're free to identify as any gender you want, and you can refer to yourself with any pronouns you like. Regardless of the science however, you cannot dictate language and demand that others refer to you with special pronouns. People have a right to free speech, dictating language and demanding that others use special language to refer to you, infringes on their free speech. You do not have the authority to do this, neither do I. People can call me whatever they want, that's okay. That's just life.