1. Because business can't be sure that a change of government to Labor/green alliance woud allow them certainty of continuous operation and to compete on a level playing field with the renewables. (Renewables is an apt name as they have such a short life they need to be continuously renewed. 2. Because he is more inclined to look at overall prosperity of all Australians. More so now that he has Barnaby on side. 3. As for 2 above and because thay are not solutions.
