Why have you ignored all the verses of the Bible I just quoted?
Look at the original language; look up the words, Elohim and Echad.
God gives grace to the humble and resists the proud.
Only covering your first point once again. won't cover any others because chose not to.
The meaning of Deu 6:4 to "Eber/Hebrews" is Eph 4:6 One God and Father of all, who is above all, and through all, and in you all.
Joh 8:54 Jesus answered, If I honour myself, my honour is nothing: it is my Father that honoureth me; of whom ye say, that he is your God:
Rom 3:1 What advantage then hath the Jew? or what profit is there of circumcision?
Rom 3:2 Much every way: chiefly, because that unto them were committed the oracles of God.
Joh 4:22 Ye worship ye know not what: we know what we worship: for salvation is of the Jews.
Joh 4:23 But the hour cometh, and now is, when the true worshippers shall worship the Father in spirit and in truth: for the Father seeketh such to worship him.
Joh 4:24 God is a Spirit: and they that worship him must worship him in spirit and in truth.
Heb 12:9 Furthermore we have had fathers of our flesh which corrected us, and we gave them reverence: shall we not much rather be in subjection unto the Father of spirits, and live?
The Father of Spirits is a Spirit and they that worship him must worship him in spirit and truth.
trinity doctrine of men / trinitatarian creed is not spirit and truth but boasting against the natural branches or foundational truth
Rom 11:18 Boast not against the branches. But if thou boast, thou bearest not the root, but the root thee.