I haven't read the article, but would I be wrong in saying that the factors from 'knowledge and vision of things as they are' to 'knowledge of destruction of the taints' occur at, more or less, the same moment?
“The greatest glory in living lies not in never falling, but in rising every time we fall.” – Nelson Mandela
My philosophy is simple: saying 'yes' to the positive and 'no' to the negative.
With much metta,
Stephen K (Upāsaka Sumana)