Dashcam : Bad drivers in So Cal

I've thought about adding the Dashcam to the rear window.  All my wrecks except one have been rearenders, but then again how much evidence is needed when rearended while at a stop sign/light?

This guy sums up the general lack of courtesy by a few drivers.  His running commentary has been edited down but at times the work is NSFW...listen with earbuds and you won't offend those around you.

What's your favorite pet peeve on the roadways?