"Simulation" implies that it was indeed isolated from the internet. "Unsanctioned" means that the user did not specifically instruct the model to do so.

I get and share the sentiment but let's not fall out of critical thought and call a study observing behavior of an LLM "unsupervised". You don't need to read the full technical report, the first 3 paragraphs of the linked article summarize the whole deal.