Belief is a potent tool in maigck. It is not important what you believe, just as long as you can come up with a plausible explanation that what you are doing will result in the effect you want.
This is why magick works if you believe angels and demons and gods are real.
This is why magick works if you believe angels and demons and gods are not real.
This is why magick works if you believe in a single all powerful God.
This is why magick works if you’re an atheist.
Magick is a technology that uses your consciousness to interact with the universe. Your beliefs are the lenses through which your consciousness perceives all experience.
Enochian is a specific type of this technology, but the why of its efficacy is completely up to you to decide. Are they angels? Are they demons? Are they Pokemon?
The truth is, it really doesn’t matter. You do certain things, and certain things happen regardless.