Over its long history, Hinduism has demonstrated remarkable religious tolerance and flexibility, even to the point of advocating polytheism, monotheism, and monism all within a single religion.What are the implications of having such a flexible religious system? What are the advantages and disadvantages?

Over its long history, Hinduism has demonstrated remarkable religious tolerance and flexibility, even to the point of advocating polytheism, monotheism, and monism all within a single religion.What are the implications of having such a flexible religious system? What are the advantages and disadvantages?