•Why it earns a slot
Why it earns a slot: it put the word Nihilist into actual political vocabulary, and Bazarov's death from a self-inflicted dissection wound reads as the book's real argument, that conviction alone cannot out-argue biology.
A nihilist doctor arrives to tear down every inherited belief in a Russian household, then dies from the one thing his science could not out-argue: a stray infection.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.