For some trans people, the alternative is no gender-affirming care at all, which tends to lead to bad health outcomes (e.g., suicide).
To be trans is to live on the edge of the law and on the very cutting edge of biopunk medical science. A lot of shit is off-off-off-label, where there are no guarantees of quality, but something is better than nothing which is what you'd get if it were up to your parents and doctors.
The alternative is the come to terms with one's sexuality, just like everybody else. In other words, in most relevant cases here, to come out as a gay man.
To be trans is to live on the edge of the law and on the very cutting edge of biopunk medical science. A lot of shit is off-off-off-label, where there are no guarantees of quality, but something is better than nothing which is what you'd get if it were up to your parents and doctors.