I just watched the Victoria Derbyshire interview. He's very clear about how the health service failed him by failing to examine his traumatic experiences as a cause of his desire to transition.
Victoria Derbyshire's reaction was interesting. He was describing horrific things that the NHS had helped him to do to his body, due to previous trauma that they never even asked him about. She was really trying to push her opinion that he was in a tiny minority of detransitioners, using the testimony of a transman who insisted only 1% of people detransition, and a figure of 4% from somewhere else (NHS?)
He was quite clear that there were a lot of people like him who regret their transition, and that it was important to examine things like trauma, particularly when children are involved. She looked a bit worried at this, unsurprisingly since she's been pushing the idea of trans kids for years.
Not on iplayer yet, but should be there in an hour or two.
www.bbc.co.uk/programmes/m000dl50