Nobody here wears a bicycle helmet unless he or she is a recreational rider who rides at high speeds. Helmets can help against high speed crash. Most commuters

Nobody here wears a bicycle helmet unless he or she is a recreational rider who rides at high speeds. Helmets can help against high speed crash. Most commuters ride at low speeds. Helmets are inconvenient and pressure to increase helmet usage has been suspected to make cycling less safe in the aggregate because less people will cycle and other road users thus won't be taking them into account. If I'm being cynical it's possibly why people keep pushing for it in the first place.