Yes, they are right in some things, but wrong in all of the major doctrines of the Word.
They are:
Right in believing that the Bible is the Word of God.
Wrong in thinking that the Bible cannot be understood apart from the literature published by the Watchtower Society.
Right in believing in creation rather than evolution.
Wrong in believing that Jesus Christ is a created being.
Right in teaching the resurrection of Christ.
Wrong in teaching that He was raised as a spirit person.
Right in believing that Jehovah is the only true and living God.
Wrong in rejecting the doctrine of the Trinity.
Right in believing that Jesus is the son of God.
Wrong in not believing that He is God the Son.
Right in believing that Jesus is Mighty God.
Wrong in not believing that He is Almighty God.
Right in honoring and worshipping Jehovah.
Wrong in not recognizing that Jesus is Jehovah, and in refusing to worship Him.
Right in believing in unity.
Wrong in believing that the Watchtower Society is Jehovah