Fair on the terminology angle, that said in this case, they had proper guardrails no? They were running in a sandbox, but it was able to find an exploit out of the guardrails.
I can understand skepticism, did they have poor security measures, or is the model that good? At least the way they portray it, they had top-notch security measures in place, and yet the model managed to escape confinement and also hack Hugging Face.
Why was the computer physically connected to the internet though, sure, they could have gone that far as disconnecting it physically, but my guess is that's a cloud box in a data-center they provisioned, running on an entire rack cluster of GPUs.