They should include option of enabling this but as long as its not the default most people will not use it.
Anyway, the solution is simple: Better education, not better 'communication'.
Meanwhile, a helpful Government spokeman is making hand gestures and saying:
I think the hand gestures you are referring to is the one with closed fist and extended middle finger.
Just knowing that people are watching will make people tend to wash their hands more.
Just like having a speed camera sign makes people slow down their cars.
To quote Thomas A. Edison, "If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward".