It *is* the teaching of Christianity to become more Christlike.
See #6.
Little different than what you just said.
Becoming Christ-like is just a little different than becoming God.
“...It is the teaching of Christianity to become more Christlike...”
Yes - God equals Christ. We are expected to become Christlike. Since we are sinners, this is not 100% possible, yet grace gives us a boost.
A biblical example to illustrate this concept is to consider the temptations of Christ in the desert. He didn’t need to be tempted, He did it as an example for us sinners on how to resist the devil and become more like Him. (That is, more like God).
The fact that we are to try to imitate Christ is a given for Christians. (or ought to be).
Man doesn’t become God and it is not possible, and that is not the author’s point. At least some of us get it.