I’m sure people holding set squares and bottles of quinine felt the same down on the Congo Basin.
The pretense of knowledge is a lot less pretense-full when you have a 1 Terabyte portable Hard Drive and GIS mapping software.
In all seriousness, Karl has a point. While we should always be sceptical of how much we really know, we should always do our best with what we do know.
When it comes to macroeconomics, in the US, all signs point to free lunches sitting everywhere if only for a little more nominal expenditure, and hopefully Karl can elaborate on this soon.