Okay a deliberately inflammatory title. A truer statement would be, why do we always lump cyclists into one group, when there are two main groups. The first are the people getting from A-to-B, minding their own business, casually riding, wearing normal clothes - doing great things for their health and the environment, god bless them. The other group are the Lycra commandos, that go out in packs of twenty, dominated public roads in a way no other user is permitted to do and are some of the most aggressive road users. Why do we put up with Lycra commandos?