Yes, there have been mixed reviews about Curtis: some people got on fine with him, but others seemed to find him a bit difficult. I have no idea why he's made this decision, but he's only made his decision public this week.
Still, for good or ill, at least he was a way for trans people to get started with their transitions. Now we're going to have even fewer options at a time when the queues are ridiculously long. I'm one of the lucky ones who managed to get in The Laurels back when they had a 4-month waiting list; those days are long gone!