The defense of economics by comparing it to string theory is a novel one, however last time I checked nobody has tried to impose the conclusions of string theor

The defense of economics by comparing it to string theory is a novel one, however last time I checked nobody has tried to impose the conclusions of string theory on a population, so the consequences of playing with maths in that field are much less severe (edit - unless the playing with maths proves successful, in which case all bets are off).