They stay out at sea and do not come to shore if there is little DOR over the continent. In years when there is a lot of DOR, they are attracted by it and veer inland. They then serve the need to reduce DOR, but if there had not been a high concentration of DOR over the land mass, the hurricane would have remained at sea and not hit land.
So anyone who wants to protect the land from hurricanes should not try to steer them away from the coast with a cloudbuster. If that were successfull, there would still remain a DOR problem that the hurricane would otherwise have solved. The proper procedure with a cloudbuster would be to do DOR-removal operations. If that were done successfully, the next hurricane would stay away from the land.