It's not really directed at the specific crowd here, as most of these guys are pretty careful what they do. What he's usually wishing death upon, is the guys who race on the streets so recklessly as to cause immediate danger to innocent bystanders. Idealistically street racing is never acceptable, because it will never be as safe for you or your car, as a proper track, and staff is. But tracks are always the most convenient solution, thus many people still race on the street, and try to be careful about it.