[qam1]

A staple complaint of the climate sceptic, that it’s impossible to determine the impact of historical volcanic eruptions on the climate,

I never heard a climate "sceptic" or anyone else for that matter make that complaint?

What are they talking about?

[colorado tanker]

What are they talking about?

I have no idea. I'm a skeptic and I have no doubt about the impact of past eruptions on climate.

Now, as to Santorini the debate is over whether an explosion toppled the Minoans - or whether they just got their butts kicked by the Myceneans.