A little weirdness with Tully's "Is that a book?!" reaction, but you can take your choice of whether that's because she's excited about everything, or printed books, like holographic communications (and fortune cookies, apparently, not to mention 3D movies in real life), cycle in and out of popularity in the Trek universe, and they're out of fashion in the 2250s.
It could be she just hasn't been exposed to too many books, or didn't bother to leaf through any of the old printed books in the archives of the Academy when she was in San Francisco. Captain Pike has printed books on the shelves of his quarters aboard the Enterprise and "The Cage" takes place just two and a half years or so before tonight's episode of DSC. I think she's just led a sheltered life due to her anxiety disorder and other personality traits and just didn't spend a lot of time around printed books and other materials.