We talked about Isaiah 9:6, where Isaiah says what the child will do, not what he is. Colossians 2:9 is mistranslated.
Go back to verse 6, paying attention to Paul's use of terms, and follow his argument.
Colossians 2:6-14
6 Therefore as you have received Christ Jesus the Lord, so walk in Him, 7 having been firmly rooted and now being built up in Him and established in your faith, just as you were instructed, and overflowing with gratitude.
8 See to it that no one takes you captive through philosophy and empty deception, according to the tradition of men, according to the elementary principles of the world, rather than according to Christ. 9 For in Him all the fullness of Deity dwells in bodily form, 10 and in Him you have been made complete, and He is the head over all rule and authority; 11 and in Him you were also circumcised with a circumcision made without hands, in the removal of the body of the flesh by the circumcision of Christ; 12 having been buried with Him in baptism, in which you were also raised up with Him through faith in the working of God, who raised Him from the dead. 13 When you were dead in your transgressions and the uncircumcision of your flesh, He made you alive together with Him, having forgiven us all our transgressions, 14 having canceled out the certificate of debt consisting of decrees against us, which was hostile to us; and He has taken it out of the way, having nailed it to the cross. 15 When He had disarmed the rulers and authorities, He made a public display of them, having triumphed over them through Him.
In every case the phrase "in him" applies to the believer and connotes a close association with Jesus.
Vs. 6 -- walk in (association with) him.
vs. 7 -- built up in (association with) him.
vs. 9 -- in (association with) him all the fulness of deity dwells in bodily form
vs. 10 -- in (association with) him you have been made complete
vs. 11 -- in (association with) him you were circumcised
Now, since Paul has used the phase "in him" with the same meaning in four different verses, why should I think he broke his pattern in vs. 9 to talk about the deity of Christ? It doesn't make sense. Just like in all the other cases, verse 9 is saying something about the full body of believers, not the quiddity of Christ.
Paul has coined a term "the fulness" to represent all believers throughout time. Ephesians 1:23, Ephesians 3:19, Ephesians 4:13. Paul uses the word with the same sense in Colossians 1:19. "fullness" = the entire body of believers. It's not the fulness of deity as a quality of Jesus; its the fulness of his body, which comes from the deity.