It took The Church many generations to formalize the doctrine that the One God has Three Persons, Father, Son, and Holy Spirit. Some make the parallel that The Holy Trinity is like one man who is a son, father, and brother.
The more we ignore the theological understandings of the Nature of God that it took The Church so long to fully understand, the farther we are separated from Him.
Recognizing The Trinity helps to keep our souls in a position to be saved. Reducing God to a more easily comprehensible “One” keeps us from seeing the Truth of the Creator’s Divine Nature. Just as we see that, in our own time, a programmer, program, and the relationship between them are inseparable, so it is with God.
As we remove the Son from equality with The Father, the possibility of salvation through Him is proportionally diminished. Without the Holy Spirit, there is no way to truly recognize and celebrate That Which makes possible our relationship with The Father and The Son and their relationship with each other.
As the unitarian view of God becomes increasingly inaccurate, so does the unitarian view of reality. Over time, their fuzzily seen God dissolves altogether. Belief in Him is replaced with belief in the things He has, with His incredible power, programmed into being.
Then, the First Commandment is violated. The unitarian puts an idol, created from human intellect, before He, Who programmed all, and moves toward an agonizing eternity.
