To Wall Street, a firm like BP isn't just a profitable energy company with lots of assets like oil rigs and pipelines and gas stations - it's also a corporation that routinely borrows hundreds of millions of dollars to keep its business up and running.
Personally, I have nothing against work, particularly when performed, quietly and unobtrusively, by someone else. I just don't happen to think it's an appropriate subject for an 'ethic. '