It's about integrity
If you have some interest in Open Source, go read Matthew's Surviving the five year itch presentation from EuroOSCON (the slides are here).
The slides are obviously a bit dry without the presenter's talk to go with them, but they still paint a very interesting picture of what the Open Source world and way of working can bring to a company.
And I love Matthew's conclusion (so much that I have reproduced the last slide here): it's about integrity.