Jesus Christ is the Word, by whom the world was created. He has always interfaced between mankind and the Father, having primacy as our Lord, Master, and Ruler.
High Christology as a doctrinal stance was not enough to prevent the eventual apostasy of those in Asia Minor. Doctrine must produce the right conduct.
The Laodiceans fail to reciprocate Christ's love for them. The comfort of prosperity blinded them to their spiritual condition, especially their need for Christ.