[XAP]Bob wrote: I have a mental picture of this event of the shouts actually confusing the issue, with the lady doing the unexpected, as opposed to just carrying on and his passing behind.
Yes, I also get a similar picture. I regularly ride on mixed-use paths, and in my experience (I'm not trying to imply equivalence with the current case, just explaining my thinking when it comes to avoiding collisions) it's extremely dangerous to issue a verbal warning while at the same time trying to steer round a pedestrian and not being in a position to brake hard. If I can evade them safely, I'll keep quiet while I do it, as adding the unpredictability of how someone will react to a shouted warning only makes things more dangerous. If I shout a warning, I'll be on my brakes at the same time, slowing to a very safe passing speed and ready to stop.
I find a similar situation with people waking dogs, and I had an example only a couple of days ago. I saw someone ahead with a dog off the lead, and I slowed down and passed him safely. As I passed he warned me about the dog ahead, I acknowledged with an "OK" and approached the dog slowly. But he then stupidly shouted at the dog to get out of the way, which almost always makes a dog bolt in a completely random direction - and the mutt launched itself directly at me. I was prepared, I stopped, and nothing bad happened.
What's the relevance of my story? Just that when I see a vulnerable individual ahead of me (even a dog) with which/whom I might collide, my absolute priority is to avoid such a collision and to prepare to stop (or slow as much as I can) before the likely point of impact. Issuing a verbal warning is absolutely not sufficient, and does not excuse me from my responsibility to make all efforts to avoid hitting them.
I do it for dogs, but this guy doesn't seem to think he needed to be able to do it for humans.