I saw it today. Pulling up to a 4-way stop, I noticed a cyclist tailing the car in front of it through the intersection. No stop. Not even a pause. Good thing the bus driver noticed him and didn't clip his back wheel as he slipped past. I see people on bikes fly through yellow lights, weave in through heavy traffic to get to the front of the left turn line at a light, change lanes without signaling and regularly ignore stop signs.
All this cycling behavior really ticks me off. Because I REALLY don't want to be the driver that hits them. Traveling at 35 miles per hour, my minivan can do some serious damage to a person, especially one whose speed approaches 25 mph. Being responsible for the death of another human being and living with the sadness and horror of such an atrocity is not something I care to experience.
Not surprisingly, I treat maneuvering two tons of metal through the streets at un-human speeds seriously. I'm trained to be a careful driver. I had hours of driving under my belt driving with my dad by early puberty and a good high school drivers ed teacher. As an adult, I scored high in a motorcycle safety course and graduated from a mini-truck driving course. All of these drilled safe car handling into my head. I do my best to be attentive, present and aware of the entire driving scene around me. But there is little I can do to help protect people who don't play by the rules of the road.
In case the idea that bicyclist are required to follow the same rules of the road as car drivers is a surprise to you, here is the City of Seattle regulation:
Section 11.44.020 RIGHTS AND DUTIES OF RIDER. Every person operating a bicycle upon a roadway shall be granted all of the rights and shall be subject to all of the duties applicable to a driver of a vehicle, except as to the special regulation of this chapter and except as to those provisions of the Traffic Code which by their nature can have no application.
Carless people putting me at risk of endangering their lives tend to turn up my volume. So, if you're out driving around town and hear some manic yelling, "My car can squash your head like a watermelon!!!", smile and wave. It's just me expressing my safety concerns to a near-by cyclist.