Originally Posted by
kickstart
I ended up behind a cyclist with an extremely bright tail light doing the chilly hilly ride, it was a dark, rainy day, and I wear glasses, it made it virtually impossible for me to see through the kaleidoscope of brightly illuminated raindrops.
This is the point I was making in another reply, suggesting very short bursts of serious light at longish intervals.
You are absolutely right in pointing out that always on powerful lights are a hazard