One easy explanation I see is that people who are asshole drivers don't stop being assholes once they get on a bicycle. If you don't have the decency to use the

One easy explanation I see is that people who are asshole drivers don't stop being assholes once they get on a bicycle. If you don't have the decency to use the blinker in your Audi I can't see you having the decency to also not cut across road traffic when wearing your Lance Armstrong lycra