There is no one having the understanding that Jesus is not all God. The question relates to the term Father. Jesus is not the Father He is the Son.
2Co 4:6 For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
Jesus Christ is a reflection per se of the glory of God The name Jesus embodies who God was known as prior to the incarnation. Who God manifested Himself as during the incarnation and who we understand God to be in operation after the ascension. Therefore when we as oneness believers say the Name Jesus, that Name contains all aspects of the one God in that great name.
If you were to show a picture of the sitting president to a person and ask who is this they would readily say Barack Obama. We know that is not really the president just an image of who the president is. In that same way God became immanent and became flesh giving us an image of Himself.
2Co 4:4 In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
Col 1:15 Who is the image of the invisible God, the firstborn of every creature:
Col 3:10 And have put on the new man, which is renewed in knowledge after the image of him that created him:
Heb 1:3 Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;
Now we who are children of God see the image of God and are changed into that same image. The image we now perceive as the Holy Ghost was demonstrated to the apostles in Jesus's appearance and disappearance from within their midst. This gave them the understanding that they as we don't have to touch him tangibly to know he is right in our midst.
17 Now the Lord is that Spirit: and where the Spirit of the Lord is, there is liberty.
18 But we all, with open face beholding as in a glass the glory of the Lord, are changed into the same image from glory to glory, even as by the Spirit of the Lord.
Mar 16:9 Now when Jesus was risen early the first day of the week, he appeared first to Mary Magdalene, out of whom he had cast seven devils. View more
Mar 16:12 After that he appeared in another form unto two of them, as they walked, and went into the country. View more
Mar 16:14 Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.