Other Grievances/ Axe to Grind; Not really, other than the quite apparent dislike of a change in the Status Quo, and the fact that Galileo went against both Scripture and his vow to never again follow the doctrine of Copernicanism. So perhaps some mild ire for breaking his oath, and for upsetting the church, but still stopping short of death, barring some major heretical incident. Because the first time Galileo had gotten a slap on the wrist, this time around would be "Strike two", an intermediary between a verbal admonishment and execution.