I believe Kenneth became disenamoured by the Carry On films in the end and he was quite caustic in his diary entries about his co stars. I read the Jo Orton Diaries, Kenneth William diaries and Alan Bennett diaries around the sane time and they all seem to have merged in my head.
I haven’t read his diaries yet , but have got the gist of them over the years from TV docs....
carry on films and radio work kept the wolf from his door.
As we can all see , if he had the leading role in Hollywood, he would still complain and ( carry him self on ) A true Dame... H e just adds to a truly bizarre, exciting, and very funny British humour....
I do have a couple of books by Alan Bennett, who is completely different from Kenny, but in a completely different style.....
Good olde British humour ....