It could be something of an historical return to form; a small class of properly educated people and then the wider, semi-literate masses.
Mmm, summarized garbage.
>Also I imagine you frequently read summaries of books
This isn't what LLM summaries are being used for however. Also, I don't really do this unless you consider a movie trailer to be a summary. I certainly don't do this with books, again, unless you think any kind of commentary or review counts as a summary. I certainly would not use an LLM summary for a book or movie recommendation.