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It was partly from Milton & Pope that I learned to be skeptical of the use of literacy. _Becoming_ literate through collective action is revolutionary. Merely being literate is little effect politically. I think there is considerable evidence that people read what will expand & strengthen opinions otherwise gained. People become leftist through direct contact with leftists, and THEN they want to read left literature.
Of course literacy/literature is a huge source of amusement for those for whom they are a huge source of amusement. The political relevance is doubtful: Consider the stereotype of liquidation camp officials who loved Goethe or Beethoven. Or for that matter, the politics of Yeats, Eliot, Stevens, & Pound.
Carrol
The bookful blockhead, ignorantly read, With loads of learned lumber in his head . . .
(Essay on Criticism)