These years from the early 60s are those which I grew up in. I'm interested to learn how commentators now look back on that period, as indeed 'the other 60s' of the Swinging Generation. I think we've have threads on the kitchen sink subject before (we have current long-running (!) thread on Long-Distance Runner.
Mr. Heffer does tend to throw his emphasis on the dour nature of things. Maybe in this case he might show us the link or the clash-if there is one-between these films and more jazzy stuff as in Smashing Time and Casino Royale.