Well if the doctrines are the chief reason, you’re going to get disappointed. Most important is to have the Christ that the doctrines are intended to describe. You don’t get Christ by making a web of doctrines and waving it in the air. Once you DO have Christ, then getting the doctrines as correct as you can makes sense.
Not the doctrines, exactly, but the change of hymnals, Apostles’ Creed, the New “Bible”. Psalms have butchered ( take note of the 23rd Psalm and the 100th Psalm. Now we believe that Jesus was conceived by the Power of the Holy Ghost whoops, Holy Spirit, Originally Jesus was conceived by the Holy Ghost and Mary. We are all conceived by the power of the Holy Spirit.