I have studied the Church Israel distinction off and on for 45 years and I am at the place of :

“so that we may no longer be children, tossed to and fro by the waves and carried about by every wind of doctrine, by human cunning, by craftiness in deceitful schemes.”
‭‭Ephesians‬ ‭4:14‬ ‭ESV‬‬

And :

“… having done all, to stand firm. Stand therefore, having fastened on the belt of truth, …,”
‭‭Ephesians‬ ‭6:13-14‬ ‭ESV‬‬