Well putting more wood behind fewer arrows in this case is desirable for them. The point is there doesn't have to be historical precedent for a figure of speech. It just has to effectively communicate something.
Well I did business studies aswell so it might be management speak.
It is not that it has happened, more that it would be desirable
> Is there a proven evolutionary advantage to birds rising earlier in order to catch the worm?
I think anyone collecting worms as fishing bait will tell you that worms favour dawn to daytime, so yes.
I'm British, and I think the arrow thing sounds like US corporate BS rather than a traditional saying