Their one point in common is what happened in suite 2806 of the Sofitel, when a naked Mr Strauss-Kahn emerged from the shower, found the maid preparing to clean the room, and seduced her (his version) or forced her (hers) into giving him a brief blow-job.
While many remember the failed blow-out preventer and bad judgement all-around, a sloppy cement job in the Macondo Well, meant to save a couple of days and a few hundred thousand dollars, failed.