There are numerous anecdotes about cost/benefit analysis. Not just Corvair.
The Ford Pinto fuel tank is one of the most notorious: https://en.wikipedia.org/wiki/Ford_Pinto#Cost%E2%80%93benefi...
“The general misunderstanding of the document, as presented by Mother Jones, gave it an operational significance it never had” and that the memo
“explains in part of his Mother Jones article that Ford employees wrote this document as part of an ongoing lobbying effort to influence NHTSA (24, 28). But his readers have relied exclusively on his other claim, that it was the "internal" (20, 24) memo on which Ford based its decision to market the dangerous Pinto and settle the few inevitable lawsuits”
That’s what I meant by it not translating to actual policy.
And to the GM ignition thing: https://www.vox.com/platform/amp/2014/10/3/18073458/gm-car-r...