> the general feeling is that the core physics are well modeled (NS millennium problem not withstanding) and are not lacking in predictive power for useful applications

the NS problem is not physics and not predictive, it happens at scales smaller than molecules, so it doesn't occur in real fluids

also the "NS millennium prize problem" hasn't been solved until OpenAI actually gets it published in a Math journal, and I would say it has been ruined until they do