Marked for later.
Anyway, I don't have any problems with people on bikes. It's the ones who ride aggressively who bug me. Those that run stop signs/traffic lights, never signal, or ride in huge hoards that take up a full lane on a busy road. Yes, drivers are idiots. They do not look for bikes or respect them, which is a huge danger to cyclists.
Unfortunately, a lot of cyclists take their safety for granted, and they don't respect motorists either. I saw a guy riding his bike on my way home from work last Friday. On a racing bike in his Lance Armstrong wannabe spandex. This was at dusk on a high speed country road. He had no reflective clothing, lighting, or reflectors on his bike. He startled the car in front of me, who hit the breaks. I didn't see him myself until I was almost on top of him. His grey outfit blended perfectly with the fields at that hour. Fortunately there was no traffic or else I think the guy in front of me may have hit him.
When I talk to motorcycle riders, they're resigned to the fact that car and SUV drivers don't pay attention to small vehicles. Thus they ride cautiously, looking far ahead, making sure they're as easy to see and hear as possible. They know the danger and take active steps to minimize it. Cyclists tend to treat collisions as always being the driver's fault. If you don't make yourself seen, or obey the rules of the road, you're setting yourself up for trouble. Safety has to work both ways.