[nostrademons]

Because many of us have had the experience of going into a new project where we thought all the existing engineers were idiots, miraculously being given enough latitude to do things our way, and then finding that there were good reasons for those idiotic decisions, and our proposed replacement completely falls down under real-world conditions.

Eventually, you learn not to criticize projects that you aren't actively in the trenches with. There's almost always some subtlety you're missing, and the existing team is too busy fixing it to correct your misconception. I bet the Digg team is looking at these comments (well, if they have time) and thinking to themselves, "We tried that a year ago, and it didn't work. If only they knew..."