I would not count on seeing this. It is not uncommon to file for protection every possible iteration of an idea. Even if you don't use it, you have prevented anyone else from using it. Makes the competition do more work to get around your IP filing.
Commonly referred to as the "picket fence" tactic of addressing every possible iteration of an idea, and filing for it. In today's litigious society, combined with the nature of fast following, smart companies make sure they wrap up as much as possible. Great insight here Rick. And right on point.