I do not understand your remark : enterprise market is traditionally viewed as very lucrative.
RedHat, Jboss , SpringFramework folks are doing remarkably well in the enterprise market though they had roots in free and opensource software movement.
Browsers are a unique market. IE is free and most enterprises would prefer to use it anyway. Mozilla would have to pay most enterprises to switch to Firefox.
RedHat, Jboss , SpringFramework folks are doing remarkably well in the enterprise market though they had roots in free and opensource software movement.