How are Cabin Crew (or other pax) to judge how far to let this kind of joke run? The commander of the aircraft, and the CC acting on his authority, has to be responsible for such simple common law offences, such as conduct likely to cause a breach of the peace, which could endanger the aircraft or its occupants.
If I'd been sitting next to this prat, and he started making a smell like he was smoking, I'd have been inclined to smack the brain-dead zombie in the mouth, the crew have a duty to stop that!