You are right. I have revised #5 as below:
5. Generating “kāma saññā” at this initial “kāma dhātu stage” does not mean one is already in the “kāma bhava.” Generating “kāma saññā” happens just before kāma bhava while in the “kāma dhātu” stage. An Arahant‘s mind does not go beyond the “kāma dhātu” stage. A kamma (with defiled intention or sañcetanā) must happen to get to the kāma bhava, as the Buddha explained in the “Paṭhamabhava Sutta (AN 3.76).”
- The “Paṭhamabhava Sutta (AN 3.76)” states “Kāmadhātuvepakkañca, ānanda, kammaṁ nābhavissa, api nu kho kāmabhavo paññāyethā”ti?” OR “If no kamma took place (kammaṁ nābhavissa), would the transition from kāma dhātu to kāma bhava come about?” The answer was “no.”
- That kamma happens in the “kāmasaññaṁ paṭicca uppajjati kāmasaṅkappo” step in #1 above. As we know, kamma is done with (abhi)saṅkhāra and “saṅkappa” means “citta saṅkhāra.”
- As the verse in #1 shows, “kāma saṅkappa” arises (kāma saññaṁ paṭicca uppajjati kāma saṅkappo) in the second step. Let us carefully go through the steps involved.