If Enlightenment was about Atman and Brahman - as I used to think it was - then that would be correct. However, concepts of Atman and Brahman are explanations of the enlightened state, they are not descriptions of it. People may choose to interpret their enlightened state in terms of a universal cosmic consciousness, but that isn't what they have experienced.
It would be reasonable to think that each person's enlightenment would be different. When I read Malcolm's account of his Enlightenment and then I read Suzanne Segal's account of hers, they seemed so similar that I was forced to conclude that there is no variation in the end state. Although there seem to be different ways of getting there. And it does seem that there is another form of Enlightenment apart from theirs.
From Malcolm's and Suzanne's accounts, and what Ken Wilber has written, it looks as if Enlightenment is to do with the senses. Whereas previously the brain had interpreted some sensations as being external to the self, after Enlightenment the brain interprets all sensations as being internal. Everything you look at seems to be part of you. Nothing you turn your attention towards seems to be separate from you.
When you are moving it seems to you that your body is moving through yourself to get to where you already are. Both Malcolm and Suzanne have said this. It can be overwhelming when you first experience this, especially perhaps if you are an impressionable person, but then you get used to it and it becomes quite ordinary.
If Enlightenment is to do with how your brain processes sensory information then I would say it is below the mind, not beyond it. It is not to do with your thoughts, emotions or memories and so it is not of the mind. That doesn't mean however that it is beyond the mind.
Only someone who has smelled cat pee knows what cat pee smells like. There is no point talking about it, there is no point discussing it. If you have dwelled in cat pee then you are the one who knows it. If you haven't then your opinion is of no worth.
Many say that Enlightenment can't be described. Well, I think that Malcolm and Suzanne have made a pretty good job of it. If I had known this decades ago then I would have walked away from Lifewave without getting involved. I wouldn't have been the only one. Perhaps they knew that so they kept quiet about it, only talking about it in very vague terms.
They tell you what they want you to know, not what you need to know. That's the way it is with cults. They will tell you your opinion is of no worth, that you can't possibly think it out for yourself. Only they know. Don't talk about something you don't know, they will tell you.
Their state is an illusory state because it isn't true that everything is part of you. There are other people who have attained this state in other movements. There are people who experience the Inner Light and don't think that it is a divine energy. They understand what it is and can better help people who want to experience it. Meditation in Lifewave was always hit and miss: the minority who took to it went far but the majority didn't get the guidance they needed.
There are people who have experienced the vast empty void and don't think of it as a higher level of reality. They have experienced the perception that everything is part of you but they know that there is something beyond that.