It can be seen plainly from the interviews that Stockhausen was a more-or-less mindless follower of the trends of the mid 20th century, a New-Age practitioner, a semi-reader of Jung, culturally semi-educated (just like a lot of musicians), etc.
There's virtually no serious thinking but pretensions to understanding this mysticism or that spiritual thing. His perception of music history and its concordance with the universal history is crude and cliched, with a tint of New-Age-ish pretension of multiculturalism.
If you're from a Darmstadt school or whatever and say stupid things you'll be deemed as a prophet, but if you're a Jazz musician who says the exactly same things but only not coated with pretensions of understanding then you're a quasi avant-garde who knows not what he himself is doing. You know a Hoelderlin, then you must be cultured and have a higher mind. You don't, then fuck you. That's how …