Bali's Reincarnation concept comes from Religion teaching. Whether it is true or not, it depends on each individuals. As For people who hold Hinduism belief, they must believe it as part of their life.

At that point, the reincarnation concept for Buddhism and Hinduism are different, and I see as not something to be debated. However things different for the pop-culture one, I don't think the religion concept of reincarnation will be near of what Pop culture has been telling people about, self discovery and self expression.