Exactly. They were the very opposite of pot humor. You had to listen, to think, to understand the entirety of popular culture, and to make the associations that they had. You can make analogies is to the Broadway plays written by George S. Kaufman and Morrie Ryskind for the Marx Brothers, the Goons, and Monty Python, all of whom similarly included dozens of cultural references and wove gags and general insanity into a shambles of a plot. Nobody ever thought of that as drug humor. Or as I said in this earlier thread about them:
That’s a good thread for a beginner to read, because people talk about what the best albums are and lots of other useful info.