For the same reason the rich don't lock their Bugattis — it's chump change
/And why not? The people buying these places are all dedicated Global Warmists, and tch tch as they fly over the rising seas [sic] while helicoptering in from Manhattan, but when the waters rush in where angels once trod, they’ll just weekend in Jackson’s Hole, instead (when was that name changed, by the way? Must have been in the 80s, when the first of the BSD’s arrived from Wall Street and were embarrassed by the connotation.)