Not much love for biking here; You'd almost think that most of the people on Hacker News are from Californian suburbs... Seriously though, biking in cities is great. It's one of those critical mass problems where the more people that do it the better the infrastructure gets, the more aware drivers become and there is a herd mentality where bikers tend to flow together making them more predictable and therefore safer…
Biking in the city is great. We still need lots of infrastructure upgrades to make it safer, but progress is being made on a monthly basis. Just last month a particularly dangerous section of 5th Ave had its bike lane converted from, essentially, a standing/loading lane for vehicles into an actual protected bike lane (with parking separating it from vehicle traffic) that is safe for use. And they even painted it green!
For every one complaint others here have about cyclists, I have ten complaints about drivers and pedestrians. Every day on my commute I see dozens of infractions, the most common types being vehicles parking or driving in bike lanes, not yielding safely, pedestrians walking/standing in bike lanes, and pedestrians jaywalking through intersections. People who jaywalk at every light without thinking, and don't even yield to cyclists who have right of way while doing so, will then hypocritically turn around and criticize cyclists for doing things that are much less unsafe.
Just this morning I had to navigate through a veritable horde of people standing around in the bike lane at Union Square. I had the green light and they were all waiting to cross across me, except they were six feet too forward and were completely blocking the bike lane. This is a daily occurrence that you see while biking.