His idea that 'climate affects human begins,' which is seen in "Fudo," has been exposed to some criticisms; for example, some think that his idea is a poor environmental determinism or that it leads to affirmation of the emperor system of Japan.
『風土』の中に見られる「風土が人間に影響する」という思想は、悪しき環境決定論であるという批判や、天皇制肯定論になっているという批判がある。