 An opponent of casuistry, Reggio rejected haggadic Biblical interpretations and the pilpulistic study of the Talmud.He was persecuted by many German rabbis on account of his liberal views; even his father did not wholly approve of his methods.Nevertheless, in 1846, after his father's death, the community of Göritz insisted upon his accepting the rabbinical office; he agreed, but declined to receive the salary attached to it.