Interesting point, but the bill points out that this only applies to violent crimes. All of the examples you provided are not even crimes, and some of which are not crimes at all (depending on country and circumstances, of course).
Given the example from the article, the girl was raped by 10 people while 20 or so watched. You mean to tell me that of those 20 or so people, nobody would notice with 1/3 of the crowd participating? The idea here is that if you see another human being in trouble, you must do what you can to help them (while maintaining your own safety, of course). I don't see anything wrong with that, since it helps promote public safety, giving people a moral obligation to assist those who are in trouble. How hard is it to dial 911 on your cell, or a payphone even, and report a crime, and give a location? I don't think it is too much to ask.
There is a big difference between reporting a violent crime, and reporting misdemeanors such as speeding. This law only applies to reporting violent crimes, and I believe would be ultimately good for everyone.