[zobzu]

difference ensure competition and variety of point of views. The problem with monoculture is that it _enforces_ the lack of difference. So if the guys in control of the monoculture stop progressing, or progress in a direction that you do not agree with, you're basically fucked and it takes enormous effort and time to change it.

It happens so many times and with so many things (not even software related) that I'm amazed it's not the first thing that comes to mind.