Gestalt: To say that nothing goes efficiently when in the hands of the lawyers is just not right. Quickly? Not often, no, because lawyers are held to a higher standard of care than most professions, because they can lose their license if they screw up. But rest assured they are trying to be as efficient as they can be to help their client. When a good deal gets signed and it lock-tight as to terms, everyone, including the lawyers, benefit.
Now, if you want to talk about whether or not NP is efficient...