Great idea, doesn't work
I've submitted multiple reports and when I close the app and reopen or go back to the app in a couple days my number of reports is back down to zero. Also it seems that this app is dependent on both parties having the app. Most people do not have the app (or so it seems), so there needs to still be a way to notify them as a default. For the 1/100,000 shot that the person who has the out taillight ALSO has this app, it's just not worth the effort.