Legit Unbirth Theory.?

No not really, In fact i don't like it, but being who I am, while reading the latest Nomura interview for the 13th time, i finally got something.

Im gunna make it easy so Pay attention to bold words =D
This theory i think will tell what an unbrith is, or my thoughts on what it is

HERE WE GO:

–What is the definition of a heart in Kingdom Hearts?

Nomura: It is the theme of the series. To explain it simply, a person has a body, a soul, and a heart. As an image, the soul is the life source, without it a person would be dead. Since the heart doesn’t have a form, memories play an important part in forming a heart. Also, the heart isn’t limited to people, but to all things. I tried to explain this concept to Disney, and they merely said that it must be an Eastern way of thinking. It may be interesting how overseas players think of it.

A soul is the life source, without it a person would be dead
okay, so unbirth, to be unborn, to die..

so these leads me to think that, Unbirths have no soul, and also posses no memories, have life, but also have a heart. they have been erased, everyting about them, their soul, their memories, and heart.

which brings me to Ventus

He wants to be erased, he his losing something, he is loosing is soul, slowly becoming an unbirth

this is very basic theory, but it as a strong support, so thats it , i haven't got the time to think deep into it, because well im lazy