Surgeon General's warning: Swallowing whole camels can cause indigestion. Do not smoke whole camels either - they will kick you when you try to light the tail.
The exchange of gestures is very brief, Kirchner never left the street, and Klingseisen never left his backyard. It's hard to see anything 'disorderly' about this. It's just two neighbors making rude gestures at each other in a perfectly orderly way. The right to do this without interference by the government is just the sort of thing the American Revolution was fought to preserve.