You're reading too much into it. Perhaps because moron after moron has made far too much of it.
It really just refers to a state that happens on high doses of strong psychedelics (ie, 400-500 mgc of LSD) when your sense of having an identity breaks down and you're only conscious of the great cosmic ebb and flow, being and matter no longer divisible but just one.
People talk about it as though it's some great intellectual insight or achievement -- something that gives them superor moral or intellectual status. In truth, it's just an effect of the drug. If you take enough of the stuff, you'll recognize the state and it'll dawn on you, 'ah, so THIS is what they were talking about?' (Not at the time, but when you come down a little. You're not really able to form rational thoughts in this state.) I think it has some cache because prior to the widespread use of LSD, it was something that you really only heard about from mystics and aesthetics who'd ploughed enormous amounts of intellectual and spiritual effort into achieving that state.
But all of that should have fallen away when it became something that was available to anyone who could afford 50p for a tab of acid. But there's nothing drug users love more than talking about their drug experiences, so for the last fifty or sixty years, every verbose know-nothing halfwit has decided the rest of us need to know what happened when they took psychedelics.
Nobody cares, you're not special, it happens to everyone. Go fuck yourself.
