There are people who suggest that we don't need jhana for full enlightenment. Then there are those who say we need jhana but have different interpretation of jhana. I personally feel that if that is how someone want to approach jhana , that is perfectly fine. I have no interest in discussing a certain teacher's approach to jhana . But since someone brought up the topic of discussing various interpretation of jhana, that is why we are discussing it. Otherwise, I would also say that we each practice the approach that suit us. I also agree that it is best that we focus on the practice rather than the theory or criticizing a certain teacher's approach without having at least read the whole book . That could easily lead to misrepresentation.
By the way nathan, you mentioned that you experienced four jhanas of Samma Samadhi and various formless states, were you able to recall many fold past lives and have knowledge of the passing away and reappearance of beings as the Buddha and his disciples did after they attained these states, or are the states that you called Samma samadhi and formless states different than the one they practice ?