2. The sinners here tried to see the future using different methods, including astrology. This violates the laws of nature, which according to Dante are the laws of God.

He mentions Guido Bonatti, who was an important astrologer at the time. But Bonatti was also a member of the political party that caused Dante to be exiled from Florence. Does Dante put Bonatti here because he was an astrologer or because he was part of the group that defeated Dante in real life?