Personhood is necessary because we know that persons only come from other persons,
Your god being a person, where did he come from?
You violate your own precept as soon as you have made use of it.
Also, personal creators always have a "fingerprint", that identifies them specifically as the creator. And it appears that that fingerprint is diversity within a unity.
You've said this before, but it is utterly meaningless.
You claimed, if I recall correctly, that a unitarian god could not create a universe with, for example, more than one kind of elementary particle; nowhere did you prove it, or even attempt to do so.
Because good exists in the universe and goodness can only come from the good. And God is the good.
"Evil exists in the universe and evilness can only come from the evil. And God is the evil."