I can't think of a concrete example that doesn't introduce derailing specifics.
Let me try a different question that gets at something similar: do you think that all choices a society makes that it describes as "moral" are economic choices in the sense you describe here, or just that some of them are?
Edit: whoops! got TimS and thomblake confused. Um. Unfortunately, that changes nothing of consequence: I still can't think of a concrete example that doesn't derail. But my followup question is not actually directed to Tim. Or, rather, ought not have been.
Probably a good counterexample would be the right for certain groups to work any job they're qualified for, for example women or people with disabilities. Generally, those changes were profitable and would have been at any time society accepted it.
Here's the new thread for posting quotes, with the usual rules: