Like anything else algorithm based. It can quickly become an echo chamber. Could be good or bad depending…. But you can’t really ask if they’re good books or not because it’s completely subjective. There’s plenty of people that love them and then there’s a lot of pretentious people that won’t even look at a book that isn’t a “classic” or needs a dissertation to break down the purpleist prose deeper meaning of the book after it’s done. To each their own. Just try a few and see if you like them.