Because it loses nuance. If it was a meat truck trying to maintain temperature of the items while being stuck in a delivery paper work - now potentially being fined for keeping the meat at right temp!
> Exceptions include, but are not limited to, when an idling on-road medium/heavy-duty vehicle is: Stuck in traffic or otherwise required to remain motionless. Performing maintenance tasks or powering an auxiliary function or apparatus, such as a refrigeration unit or lift, requiring power from the primary motive engine.
[0] https://dec.ny.gov/environmental-protection/air-quality/cont...
Arbitration is done by the NYC Dept of Environmental Protection. While it is unknown whether their workers are white collar, no evidence of snoot is manifested.