Final answer:
Harvey doubts the success of addressing option 1 and 3 due to a lack of feasibility, public support, and resistance from entrenched political and economic interests.
Step-by-step explanation:
Harvey is not optimistic about the possibilities of addressing option 1 and 3 primarily because these options lack feasibility and public support. Moreover, political and economic structures have a tendency to resist such changes due to the vested interests of powerful and wealthy individuals who benefit from the status quo. Additionally, there is a general reluctance among the populace to endure austerity and take personal responsibility, which makes it challenging for politicians to implement long-term plans that might cause short-term hardships.