I seem to remember they were asked about that out here and they pooh-poohed it. The librarian's must have stepped out of line, you see, father fidel would never hurt his children. /sarcasm
We battled the Commie bastard library national association in my rural county for several years over filters for computers so kids didn't have to worry about the weirdo sitting next to them viewing hard-core porn.
We didn't want to limit everyone's browsing opportunities, just a little common sense policy of good citizenship. You'd have thought we wanted the Moon.
Another American institution that has turned into a pustulate abscess that needs lancing.
From what I understand of the situation the ALA didn't want to support the Cuban librarians because they didn't consider them real librarians. They didn't go to the ''official'' library school.
At least that was the reason they gave on their website at the time.
If you ever want to read a bunch of sanctimonious bs I suggest you read their monthly magazine, American Libraries.