No, we don't.
Actually, we do. I have studied Walter’s position on this topic and I know that he is not in favor of anyone going through transition. Quite the opposite, in fact. He means that we need better information about the topic of regret. In fact he wants more discussion than that. We need to blow up the myth that “transition” is possible. As long as the “trans” lobby is allowed to control discussion, they will continue to spread lies and recruit new mentally ill victims.
There is no such thing as sex change.