As I said, I don't support banning books. I thought that was clear. I do think a book describing Mengele's experiments is not something that 6 year olds should be exposed to.
Do you disagree? If so - explain why.
Also, I don't think you understand what a traditional liberal is. Have you ever read John Locke or John Stuart Mill? They were important liberal thinkers.
A traditional liberal defends the right to free speech. That includes speech the liberal finds offensive. They do not erase other peoples' viewpoints.
Fascism tries to prevent free speech, as this site explains: https://homework.study.com/explanation/does-fascism-allow-free-speech.html