I rue the day that you come up behind a car and they move to the right just as you are passing them. It's happened to me multiple times. You are basically invisible to a car from the moment you leave their rear view mirror to the time you get about 15 feet in front of them.
A bike's flexibility of movement is trumped by the intellect of the driver you're trying to pass.
I have three basic observations about life:
1) Most people are idiots.
2) Most car drivers hate riders.
3) Just because your penis fits somewhere doesn't mean it should go there.
Great. I ride the same area as you, yet two totally different polarized perceptions. AGAIN, I ride a 160 miles loop, Monday through Friday, weather permitting, with 20 miles or so of slab, coming and going, on 101 to 237, mines/ham, then dumped from Quimby to Capitol then back on home with 101.
112,000 miles of mostly the above loop on this bike alone since end of 2007.
I start from belmont. I guess you know where that is.
I routinely have slab cagers move over on me and IT'S NO FOOKING BIG DEAL!!!!! Depending upon the situation, I either split traffic with the cager coming over, roll on, or chop and then split, or just pass front traffic on left if in No. 1 and dodging No. 2 lane traffic coming over.
There is simply no sweat doing this whatsoever. Why? Because I ride some technical stuff all the time and IT TEACHES ME HOW TO RIDE.
Riding, correctly, is the most difficult subject I have ever learned, and I never stop learning.
Don't believe what I just wrote. I simply could care less what you believe, and I say that calmly. Just a fact. Could care less. I'm just reporting what I do and I do it without a thought. If ya know how to ride than the bike and rider think together at the speed of light. Every real rider knows exactly what I'm saying.
Ya have to know how to ride and have to have the correct attitude. Cagers that come over on the slab are not trying to kill me because they hate me, just don't see me. If they see me they're excellent. Yes, sometimes one or two will play, but even these guys don't try to kill ya.
One more thing, that I see noobs, and old noobs, constantly mess up. Best to just outline the thought flow chart.
1. Riding is dangerous. Riding can KILL a rider.
2. Riding is DANGEROUS in the best of weather conditions.
3. Riding is MORE dangerous at night. Why ride at night?
4. Riding is 100 times MORE dangerous in wet weather. Why ride in wet weather?
5. Riding in cold weather is also dangerous. Why ride?
What I see noobs do is geek ride the good weather, then talk shit about how great riding in wet, cold and at night!!!!! But these guys always fear 'the accident?!!'
No sense.
And, crap, none of the above is trying to make look expert, or whatever. I view myself as just understanding the basics of riding. Like I said, riding is hard to learn. Hardest thing I've had to learn and I've done a lot.
Again, cagers here, in bay area, are most excellent. I ROUTINELY come across many, many, many cagers that show complete harmony with bikes. I so hate it when some try to be deceptive about the truth concerning cagers.
fyi, although I'm not old, I'm not 21, but have the heart of a young 21.

Also, had some financial luck that allows me to do what I wanna do.