The problem is which of the billion _Inner worlds_ ideas to accept. I mean, isn't religion/spirituality good enough for you? Why should we pollute science with such stuff?
If you have an opinion or idea that isn't reproducible, verifiable or testable and the only thing you can do is "accept" it based on how good it sounds to your ears then it doesn't belong in science.
So please, leave that stuff out of science, it's our last barricade.