Earlier quoted context omitted.
Buffett invested in boring industries like insurance. As unexciting as it is, businesses like that basically are the invisible infrastructure that makes society work smoothly. Don't misunderstand flashy at the only way to be important.
Which kind of investment was it though? * An investment that makes something possible that otherwise wouldn’t happen. Like the US investing in NASA * Investment that is not consequential in the big scheme except it makes people money. Did his insurance investments keep some companies alive?
If the U.S. became a failed state tomorrow, there's a genuine chance that Berkshire businesses would keep on operating and trading with each other, on Berkshire rails. It's like a hive of cockroaches -- businesses which are individually strong, that when woven together are un-killable.