There's a bit of research that suggests helmets can encourage risk compensation and have people traveling faster. For a glimpse into a possible dire future, Aus

There's a bit of research that suggests helmets can encourage risk compensation and have people traveling faster. For a glimpse into a possible dire future, Australia and New Zealand are one of the very few countries in the world with mandatory bicycle helmet laws - the results have been dire. (See also the helmet law debate - there's probably not enough room in this thread to go into all of that.) But yes, arseholes are arseholes wherever they might be. It's not limited to people on smaller lower-powered wheels.