They still will have jobs, certainly, but since their bureau probably gets funding based on how much work they do, they have to seem busy. Even if the work is penalizing a firm for making a (presumably) true claim. Since the Cheerios promotion violated some rule, they have a technically valid excuse.

Of course, the cost to the person who issued the letter was close to zero, so why not be a stickler?

Added: The point of keeping high funding is to grow one's number of inferiors, which is evidence of social dominence.