https://vdocuments.site/the-inglorious-end-of-the-glorious-the-release-of-the-findings-of.html

Clarifies a few points. Does not mention Operation Paul, apparently still double top secret. Perhaps they were afraid of still offending the Swedes?
Judging from the bookshelves, the Churchill industry is second only to BP in the UK. The moment a discouraging word is mentioned about the great man, ten authors rush into print. Can not see that the veil of secrecy surrounding this protects any vital interest other than his reputation.