You would think that by now, someone would have invented a smoking device where no combustion smoke of the tobacco would be released, and the smoker would exhale through the device, which would only put out hot cleaned air. Optimally, they could put several cigarettes worth of tobacco in it.
The idea being that they could prove that there was no second hand smoke, *or* cigarette butts. Then challenge the anti smoking laws on scientific grounds.
Google Aria nicotine inhaler.
Why do you think Philip Morris isn’t fighting the bans.