The sociocultural dangers weren't the danger they were referring too, Claude Mythos was purported to be so powerful that if released to the public it would result in all software being 0-dayed and so they could only give select important groups access. Curl's analysis said ehh, it didn't really seem that much better.

Now people who are getting negatively affected because they think AI is more real and more intelligent than it actually is and get tricked by it, well that is dangerous but for different reasons.