Might anyone know of a war* where corporations "did something" that was really effective? Qualifier: the people & places being wiped out in the war were not of high economic value to the corporations, nor their customers.

The people arguing and agitating for something to be done seem well-intended. And their turning to large corporations (vs., say, governments) to Do Something is a sad-but-understandable symptoms of our late-stage capitalist society. But I don't get the sense that they've bothered to look for any success stories for that strategy (to emulate and cite), nor failures (to avoid repeating).

*Or close-enough situation. IANAL, to care about "it's not a war" technical arguments.