Really... the appearance of the horse apples on the road ought to tell an aware driver that there might be Amish ahead...
But that would require...
#attackwatch - AMISH AHEAD.
There are those of us who know enough to identify various deposits on the road and take a cue from that, but anyone who needs an orange triangle to tell them a vehicle is moving slowly probably doesn’t know their s**t well enough to take advantage of the obvious trail.
This is no more offensive than expecting people to stop at red lights when driving. Trying to turn this into some kind of romanticized police state issue is childish. Anyone living in Amish country who drives understands the problem from personal experience. And the vast majority of Amish comply with the basic safety requirements.