I believe this is a case of perception being different from reality. We perceive the dbag bikers more, and we remember them more because well, they are dbags. We ignore the conscientious ones because they are unremarkable.
Thomas Paine: "...arms...discourage and keep the invader and plunderer in awe, and preserve order in the world as well as property. ...Horrid mischief would ensue were (the law-abiding) deprived the use of them."