Not to nitpick, but Advaita is not about "one" all-encompassing divinity.
The term Advaita means "not-two", it is, imo a very important distinction.
one, two are all parts of Dualistic thought and in non-duality such terms do not mean anything, as what is "two" or "one" when there is no duality at all?
Also the "divinity' of Brahman is also debatable/depends on the practitioner's viewpoint. If there is nothing but Brahman, does the term "divine" even have any meaning? its like every student in the class getting a perfect 100% in every exam ever. The value of 100% would cease to exist. This is the reason Advaita is about transcending duality as dualistic terms do not matter anymore