Pope Innocent VIII: Malleus Maleficarum

What goal do you think Pope Innocent VIII was trying to achieve when sanctioning the writing of the Malleus Maleficarum through his papal bull, Summis Desiderantes, in 1484? Pope Innocent VIII could have had obviously had many goals in issuing Summis Desiderantes; however, in my opinion, one goal is much more evident than the rest. Pope Innocent VIII had one of the most corrupt papacies on record (atheism.about.com/library/ glossary/western/bldef_innocentviii.htm). Also, during the time of his papacy, the accusations of witchcraft were growing quickly throughout Europe, but mainly in Germany. Personally I think that his issuing of Summis Desiderantes was an attempt to better his "approval ratings". Innocent's papacy was littered with scandals
People of the Catholic Church at that time were terrified of witches because of the emphasis put on it by the Vatican. If he wanted to, Innocent could collect taxes to assist in the witch hunt, and I am sure that certain, wealthy members of the church were happy to make generous contributions towards the movement. As these funds were collected, I can only assume, through Innocent's previous record, that most of these funds would be used to promote his comfort, and that very little would actually go towards the inquisition. If it is evident to me that this is what was happening, then it must have been evident to the people of his time as well. If they were conscious of what was going on, then it seems as though it would defeat the entire purpose of his original plan of regaining the support of the people. I guess he realized that he was already the pope and, whether the people liked it or not, it was going to stay that way. As long as he had the support of the rest of the church officers and dignitaries, his job was essentially secure. I assume that his view was that living comfortably was more important than God and the approval of the people of the church over which he