I don't see it that way.
I was rear ended at 35 mph about 2.5 weeks ago. Fortunately I was in my truck. If I had been on my motorcycle it would have been a very different experience.
I'm thinking about utilizing the gear brake and the high intensity LEDs discussed in another thread around here somewhere.
I would have to agree with you.
While leading a group ride through the Sierras on small twisty two lane roads, we had one of the wives in a chase car who's only complaint was that it was hard to tell when we were slowing as there were no brake lights. Many years ago, but it was the first time I'd given any thought to it. I'll generally depress a lever now if a sports car is behind me wanting to play, but a unit a you describe could only help.
'07 HD SEUC