This roughly matches my estimate of evil drivers on the road, people cutting lines violently and not using turning lights, pushing to insert on the right when they used the emergency lane to pass everybody in a slowdown...
On the highway segments, most cars were just trundling along between 2 and 20 mph over the limit, generally keeping reasonably to themselves. When an obstacle appeared on the roadside (stopped motorist, police, other), people flexed to let other cars get left and then returned to normal driving.
Sure, I noticed a few people driving aggressively, following too closely, changing lanes excessively to squeak out one or two extra spots, but that was perhaps 50 cars at the very most in 1600 miles of driving. 1 or 2 per hour, not 1 per 20.
Add in heavy traffic and the number of negative interactions will go up. Then remember you tend to roll with the traffic in these situations that lower the total number of people you're subjected to.
You've listed a few really bad behaviors and then used a bunch of weasel word language to imply a bunch of casual minor rule breaking is equivalent to its worst case forms. No wonder you see bad drivers everywhere.
The guy who's not using his blinker for a lane change on the freeway in light traffic isn't equivalent to the guy weaving through traffic without blinkers and even then is the blinker really the problem there?
Riding in the breakdown lane to pass someone isn't equivalent to getting tin the breakdown lane for a couple dozen feet coming up to a light just prior to the creation of a dedicated turn lane in the same space.
If you didn't get bent out of shape over technical rule violations that are fairly reasonable in context you'd see a lot less bad drivers.
Ha I'm going to have to remember that one.
I used to get all steamed up about crap other drivers do on the road. Now, I generally just ignore it. I don't know why they might be in a hurry or what kind of day they've had, and it's not like I can actually do anything about it anyway.
People can be just plain dumb.