"But after watching government on every level, in various countries, for over half my lifetime, I can tell you the last thing any government wants is to make a decision its successor can overturn.
Every government knows its time in office is limited. What it needs are stalwart friends and a legacy. Proprietary vendors deliver both, and it is in the nature of open source that these not be provided."
http://blogs.zdnet.com/open-source/?p=5967