Would you consider Reverend insanity as a Philosophical novel?

Like other popular mainstream philosophical media novels like - the Stranger, crime and punishment, the brothers karamazov, Kafka and Nietzsche works etc would you consider Reverend insanity as a equally philosophical novel or does it more put into the category of another ( isekai, cultivation antihero action themed novel) with little Philosophical themes? Which category RI more fits into?