It seemed like the knowledge base was a lot deeper than it had been, ... The system seemed to be well thought out.

It disrupted a huge Bronze Age population.

This eruption is much larger than the ones that are currently anticipated at Vesuvius. What would you do with the evacuation of 3 million people? They're not coming back. There won't be anything to come back to.

I think what they probably had was a couple of days (to get out). There are lots of skeletons but thousands and thousands of footprints.

These were bronze age people and they had a pantheon of gods that they thought controlled their world.

There are some significant gaps in people's knowledge,