From that perspective, there is no agenda or deeper purpose, not even “validation.” It’s just a bunch of self-centred narcissists who aren’t being given boundaries or kept in check by wider society, responding to their own private incentives and rationalising that behaviour after the fact (like everyone does.)
On this subject, I copied the following from Wikipedia
The early history of the Tavistock Institute overlaps with that of the Tavistock Clinic because many of the staff from the Clinic worked on new, large-scale projects during World War II, and it was as a result of this work that the Institute was created.
During the war, staff from the Tavistock Clinic played key roles in British Army psychiatry.[3] Working with colleagues in the Royal Army Medical Corps and the British Army, they were responsible for innovations such as War Office Selection Boards (WOSBs) and Civil Resettlement Units (CRUs), and also worked on psychological warfare.[4][5][6][7] The group that formed around the WOSBs and CRUs were fascinated by this work with groups and organisations, and sought to continue research in this field after the war. Various influential figures had visited the WOSBs during the war, so there was scope for consultancy work, but the Clinic staff also planned to become a part of the National Health Service when it was established, and they had been warned that such consultancy and research would not be possible under the auspices of the NHS.[8] Because of this, the Tavistock Institute of Human Relations was created in 1947 to carry out organisational research when the Clinic was incorporated into the NHS.[9] The Rockefeller Foundation awarded a significant grant that facilitated the creation of the TIHR.
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Tavistock has had a very interesting role in the promotion of agendas. The government learnt a great deal about psychological warfare during WWII and I would say that the trans issue exhibits all the hallmarks of a concerted campaign against its own population. This does not mean that the clinic is still actively involved in these measures or that the staff are consciously complicit but I still find it interesting that they are at the forefront of promoting the most radical shift in how we see humanity ever attempted in human history.