A theory now circulating online traces back to a genuinely influential source: economist Joseph Schumpeter's 1942 book Capitalism, Socialism and Democracy. Buried in its pages is an argument that has aged strangely well — an explanation for why academics and intellectuals so often turn against the very system that enables their work. Schumpeter's case starts somewhere unexpected: the businessman has no glamour. Soldiers, revolutionaries, and statesmen can be cast as heroes —