Earlier quoted context omitted.
As a thought experiment, I wonder what it would cost to build a European village scale town for 22k people (the population of SLT) and then literally build a moat around it as a firebreak.
The moat won’t work as well as you probably think. A lot of the problem comes from the sky raining down embers on flammable roofs and such...
https://www.thisoldhouse.com/roofing/21018219/fire-resistant...