Another issue with the AA kisses is they don't make sense. Even if AA turns them, he does not have control over them until the tadpole is gone. He should still be putting on the love charm and manipulation for his own self preservation.

The Dark Urge and a powerful Tav can still kill AA if they wanted to, even after being turned, due to the tadpole. If AA shows his abusive cards this early, before he even has control over them due to the tadpole interfering with his control, then Durge/Tav have every reason to kill him before he controls them. I don't buy that AA would put his life in jeopardy like that, by abusing a spawn he has no control over, before the Netherbrain is dealt with.

Also, the only reason people think Tav is a spawn is because of a dev note saying they are a spawn. However, if you go off how Tav is turned in-game, they are turned differently than how spawn are turned. The blood of the creating vampire is not used to make spawn. It is significant that Astarion gave Tav his blood. The reason it's a small amount of blood is, in vampire lore, giving a newly turned bride too much blood will make them go insane. It feels like the writing of Astarion was handed down from a master to a pupil who isn't aware of the intentions of the original writer, so what we're left with are kisses that don't make sense and lore breaking dev notes.