They have "stick with what ya know" syndrome.
And I've had the same difficulties as you trying to convince people that Linux/Open Source is the wave of the future. People just have a hard time understanding public goods in cyberspace. Until the internet came along, public goods by private individuals was something only the likes of Howard Hughes could provide. My how times have changed seemingly overnight. It's no wonder your co-workers don't yet "get it".
[link|http://research.microsoft.com/vwg/papers/kollockeconomies.htm|
Public Goods in Cyberspace]
