I know someone who worked for McKinsey for a few years, and some of the projects he described were straight up slimy. The one I recall right now was helping a big payday lender (read: large scale loan shark) figure out how to get their money back from people who were behind on their payments. The problem was that they can only attempt to withdraw so many times from someone's bank before they're banned, so the agreed…
The Purdue OxyContin's 12 hours higher dose and thus higher addictiveness "solution" instead of the 8 hour based lower dose cycle similarly bears all the hallmarks of being produced by MBA consultants.