Of course, who doesn't teach that? There are different models to describe that fabrication and the Theravada Abhidhamma-based model is one of them. You subscribe to a different model, but the goal is the same, to drop the fabrications and the model.
I think important to point that the Abhidhamma - i.e the Visuddhimagga - was not born like an alternative view to paticcasamuppada but like a complementary one. There is a risk when somebody can mislead that momentary description of the Reality with the description of nibbana. And it happens!!. However, the Abhidhamma intention is to describe the conditionality in the world but not nibbana. The VS it's a useful tool in helping to get the cease by understanding the conditionality but this is not a description of nibbana
I believe the underlying question is to know how that momentary-reality can exist or how it is experienced. On my side I'm ignorant about this point but I strongly suspect it will depend of the eradicated fetters and the characteristics of the followed Path. It seems this was not a main concern for the Buddha when there are not explicit teachings inside the Suttas about this. Although this is not strange at all. In the same way, we can read inside Suttas that there were arhants touching nibbana with his body or not, etc.. and without extensive details on this. The point is knowing the end of dukkha with the entry in the stream and later the progress will be experienced in a different way according kamma. I mean, maybe there are beings who are able to perceive such momentary nature in some degree without any progress. Why not. This is just another issue, a samsaric one:
"Consciousness occurs in 'time slices' lasting only milliseconds, study suggests"
http://www.sciencealert.com/consciousne ... y-suggests
ok, more interesting news about nama, rupa and citta. And cats can see 7 times more than humans. And tomorrow maybe it will rains.
Just to insist that the momentary nature appearing in the Abhidhamma is not nibbana but a way to understand the conditionality in the world, a tool to help to get the cease. So it can be a very bad idea to build that mind-image on nibbana. The only characteristic of nibbana is anatta; empty of individuality. One can think about this and the consequences of inoculating the Time into this understanding: anatta cannot be inhabited by successions of individualities or by conditions which would need individuations. Nibbana is non-conditioned.
In the Abhidhamma, nibbana is the 4th paramattha-dhamma and it is outside of that momentary and conditional world. Is this not a mistake to include it inside that mind-image?