[KerrAvon]

It was ridiculously easy to game the Slashdot moderation system. You knew what topics would get upvoted -- positive about Linux, negative about something like SCO during the lawsuit period. It was not difficult to accumulate karma.

[jq-r]

I'm not sure if that was the fault of moderation system. This is more of an echo chamber effect which exists everywhere where there are humans involved. Not sure if technology can change that.