[Author of the piece here]

Back patting? Whose?

This is entirely orthogonal to stuff like von Neumann architectures.

The core change is eliminating the distinction between primary and secondary or auxiliary storage: https://en.wikipedia.org/wiki/Computer_data_storage#Secondar...

> There's no such thing as "terabytes of non volatile memory" without either spending hundreds of thousands of dollars on RAM or settling for slow flash RAM.

You are technologically out of date. This is commercial, shipping technology now.

https://www.storagereview.com/news/intel-optane-dc-persisten...