The ability to challenge and potentially change government procedures exists in various forms at all levels of the political and legal systems. One could argue that it's a key component of the systems' strengthening and improving over time.

More cynically, it's also an agency who's purpose is to support labor. So, it seems understandable that one of the biggest companies with some of the hottest labor issues would want any types of insurance it can acquire in the interest of contingency-planning.