Antibiotic resistance was foreseen pretty much from the start. And this is hardly a cautionary tale. Antibiotic resistance just makes antibiotics less effective, and you’re still better off than you were without antibiotics.

A better example would be something like tetraethyl lead, which poisoned (indeed continues to poison) huge numbers of people for relatively minor gain. Even then, the problems were known, the profit motive just won out over the don’t-poison-everyone motive.