Over time FHI faced increasing administrative headwinds within the Faculty of Philosophy (the Institute’s organizational home). Starting in 2020, the Faculty imposed a freeze on fundraising and hiring. In late 2023, the Faculty of Philosophy decided that the contracts of the remaining FHI staff would not be renewed. On 16 April 2024, the Institute was closed down.

Sound like Oxford increasingly did not want anything to do with them.

edit: Here's a 94 page "final report" that seems more geared towards a rationalist audience.

Wonder what this was about:

Why we failed [...] There also needs to be an understanding of how to communicate across organizational communities. When epistemic and communicative practices diverge too much, misunderstandings proliferate. Several times we made serious missteps in our communications with other parts of the university because we misunderstood how the message would be received. Finding friendly local translators and bridgebuilders is important.