Greg Beaver takes a unique perspective on filtering out some of the noise that the PHP community can generate by comparing it to a chamber music rehearsal.
Why am I talking about string quartet rehearsal in a post about moderated programmer mailing lists? I come from a profession (professional chamber music) where "karma" is a fluid object, and unlike the programming world tends to break down when we attempt to nail it down.
He talks more about karma and gives an example of how he thinks it should all be handled (and how "bike shedding" comes into the picture).