See my prior post.
What you say here about trans 100% applies to how 'gay' got reconsidered as 'normal'. It was not some decisive scientific discovery showing that sexual preference incongruence was no longer psychiatric pathology. It was a professional redefinition made amid substantial political and social pressure, alongside arguments about stigma, patient access, and what psychiatry should count as a disorder.
Gay rates of suicide, especially amongst young men, used to be way higher when it was still stigmatized and actively hated against in public, by entertainers (comedians, etc) and politicians. Those rates of suicide came WAYYYYYYY down once society accepted and recognized it as just a deviation WITHIN the norm and not an abnormality or disease or wrong.
That is the strongest evidence that it was NOT the condition that lead to the high suicide rates, predominantly and was societies stigmatization and constant attack of the people, THE INDIVIDUALS, just trying to exist in a society that was screaming at them that they were 'deficient', 'sinful', 'wrong', an 'abomination against nature', etc, etc.
something i think any reasonable person, knowing how difficult it can be for so many straight, mostly boys to move from teen to adult, and how high that 'normal' population of males suicide rate is compared to the rest of the population.... can then easily see why rates of 'gays' and 'trans' under non stop attack had much higher ones.