The article has no detail that might serve to explain her reasoning for leaving, but does note that she left after the HuggingFace hacking incident. The implication could be that model alignment is not being taken seriously, sure. But it could just as likely be that there was collusion between HuggingFace and OpenAI and that the incident was orchestrated as a publicity stunt.

I want to clarify that I am not doubting the cybersecurity capabilities of frontier models-- I have no reason to believe that the hack itself was not carried out by the model. But the companies' use of LARPing language in describing the incident, granting agency to the models in their phrasing definitely does raise suspicion on my end, particularly in light of their track record of releasing models which have been 'too dangerous to release' for years now.

It's unlikely HugginFace colluded given they specifically cited they used open models to save them from the hacking.