Proof: Linux used all over the place, BSD used for Apple.
Anything that falls into the tools category really belongs under GPL. Greater good and all that. If you want your work to be able to be taken improved and sold without any of the benefits coming back to you, fine, but the reason that GNU/Linux won is because anything you wanted to let out of in-house use had to go back out.
So a toy company is the number 2 company because people want to be different, just like everyone else.
The first myth of management is that it exists. The second myth of management is that success equals skill. -- Robert Heller