A lot of material in Bletchley museum could be considered to be bottom-up effort of people either directly involved, related, or passionate about the topics.

Which is a completely separate thing from government direction, especially considering how Attlee government resulted in British military commanders leaning on or outright breaking the law to help polish and other central european soldiers who served on western front when the official guidance was "get rid of them and who cares if NKVD will murder them".

Credit was on display down in the cellar in the bottom of a locked filing cabinet stuck in a disused lavatory with a sign on the door saying ‘Beware of the Leopard'.