Irregular was not involved in the Hugging Face incident.
And there is no reason for the companies to "exaggerate the intelligence of the models" when there are plenty of other non-felony milestones they are achieving, like solving Millenium Prize math problems.
Solving math problems does not drive investor hype. Saying your models can take over the world, which can lead one to assume that they can do every day office work, does indeed drive investor hype.
honestly, the hacking incidents have caused a lot more interest and media attention than the math stuff IMO.
The Navier-Stokes thing? They had hundreds of segmented groups of 10000 agents running trying to solve that. I can't imagine the expense. For what little publicity it got, it wasn't worth it. There are also reports they cheated by using data from a couple human researchers, but I don't think that one's true.