> I'm sure a lot of people who personally use these lights are also annoyed by other users of them. I'm sure a few are, but there's probably also a lot of sele

> I'm sure a lot of people who personally use these lights are also annoyed by other users of them. I'm sure a few are, but there's probably also a lot of selective perception going on. They're hyper-aware of others causing problems, maybe they even stop to look at their own lights but don't even realize that this alignment could cause that problem they saw. Also, a lot of the worst offenders are bike commuters, who are all going the same way at the same times, so they're not even likely to notice very many goofballs shining light in their faces.