1. In a sexual species, there are two sexes, MALE and FEMALE.
2. 99.93% of humans have XX or XY sex chromosomes (rest is mutation)*.
3. Being one sex but thinking you’re the other is a psychological disorder.
4. Mandating a widespread enabling of a psychological disorder is sociopathy.
*the precise number for sex chromosome abnormalities varies from study to study, but the number is probably closer to 1 in 426 births making the percentage of humans with normal XX or XY 99.77% instead of 99.93%.

Related:
There is another factor that the New Testament address a lot as a major cause of what drives sin: demons. People who have lust addictions, hetero or homo, have demons driving the lust. I wrote this:
“LUST ‘the poison that kills the soul’ FREEDOM! My experience: How DEMONS DRIVE heterosexual and homosexual lust in ‘Christians’ — The bad news is that demons drive lust. The good news is that demons drive lust, because freedom lies straight ahead!
Can a Christian Have a Demon? Absolutely! Most Have Many!
(prophecy) The Homosexuals Will Arise — “Show them the way through your smile”
Let’s just clear some things up about the whole gender discussion — 99.77% of humans have XX or XY sex chromosomes (rest is mutation)* •  Being one sex but thinking you’re the other is a psychological disorder • Mandating a widespread enabling of a psychological disorder is sociopathy