Did Hell used to be Heaven?

Did you guys hear of the bleach theory that Hell used to be heaven? It was by a twitter user. Anyway he came up with this theory, since Szayel Hollow hole looks like a Halo that angels usually have.

Here's the twitter posts, there's a couple of them by the same guy:
Here's the post in translated by google translator:

Now it's time to consider BLEACH!
Hell has a hollow hole on the outside and becomes a ring → Depiction of an angel
In other words...