The Cass review is a lengthy document and it’ll take time for detailed criticisms to emerge, but there’s already plenty of evidence to indicate that the worst fears of trans people and allies were correct. The review team included people vocally opposed to trans healthcare, applied different standards of evidence to trans-supportive and trans-antagonistic studies, is happy to accept anecdote and hearsay provided it is not trans-supportive, and appears to advocate conversion therapy and demand that doctors be involved in social transition, which is not a medical matter.

This, by Trans Safety Network, is an excellent overview of some of the most blatant problems with the report.

the Cass Review final report seems to assume, as an unspoken starting point, that growing up to be a trans person is a bad thing, and the rest of the conclusions follow from that assumption.

…We have previously identified a number of professionals involved in both the Cass Review and the NHS Gender Dysphoria Working Group which helped commission the review who are involved either in lobbying efforts against trans affirmative healthcare, or who have actively promoted conversion therapy.