It’s no less delusional to think that a person is something which does not exist than for a person to think he or she was born the wrong gender.
There is no such thing as “a homosexual”. There is only how one chooses to behave. As with all bad behavior, homosexuality can be changed. This would not be possible if homosexuality was a thing.
Studies have shown that the prevalence of homosexual births increases with population density. This would not be possible if homosexuality was inborn.
If DNA determined homosexual identity then the prevalence of homosexuals would be constant regardless of surrounding population density.
There is no such thing as “a homosexual”.
Studies show that 10% of homosexuals were born that way. The rest just got sucked into it.
Also, 87.9% of all statistics cited on the interweb were made up out of thin air.