There is nothing you wrote above that I would disagree with.
The way I see it, and this is just my opinion, all conventional religions, Christianity included, are based on the assumption that the universe is a perfect, harmonious whole, which is what people really mean by "God", "gods", or more abstract controlling principles such as the Tao.
Isolated consciousnesses, characteristic of humans, exercise perspective apart from this whole.
Christ is a personified representation of the presumed wish of the universe to include all things in itself: a messenger that we should return to, merge, become one, indistinguishable with God, or the whole. Only thus can the strain and the pain of our sense of distinction be ended.
To accomplish this, one would need to return to a pre-fall state of nonconsciousness and imperception: most simply, pure innocence - there is a quote somewhere in the NT where Jesus says that only when people return to the state of a child, shall they enter heaven.
Unfortunately for all those yearning for the "gift" of innocence ("Grace"), it is impossible to intentionally "undo" one's uniqueness. So conventional religions have sought to punish, destroy, sublimate, or numb it out of conscious awareness (and this was heavily utilized/embellished as a political tool). Failing that, some have ritualistically flung themselves on the mercy of the God/universe by committing themselves at least to its principle, ie "accepting Christ" (or similar).