Since it's been 10 years since this forum has engaged in modeling of climate, I wrote up this blog post from my perspective. Remember that the original goal of the Azimuth Code Project was to be able to model El Nino cycles well enough for prediction purposes. Deferring to chaos as a mechanism is essentially the same as punting, and it took a lot of effort to get to the simple model described at the following link:

https://geoenergymath.com/2022/08/23/what-happened-to-simple-models/