It's no big deal to confiscate lowbrow novels from a bookstore; after all, in these times, even something as racy as Plum in the Golden Vase is considered a classic.
Uncovering fan fiction about the President... that's also not a big deal. You can often hear various stories on the streets adapted from the President's life deeds, like "Three Battles at Black Wind Mountain," "Wise Fight with the Sea Dragon King," or "Childhood Sweetheart Scholar," and so on.
The President said she wasn't into it, but later it was discovered she secretly read them herself.
However, finding training materials for the Twelve Dharma Gate System is a serious matter.
If it's the real thing or already obsolete, it's not a big deal. Many people are secretly practicing it, and the official stance of the Special Service Bureau on this is that it's not recommended in principle.