"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus
Proprietary software is still hugely dominant in all markets, even though it has a significant cost. Oracle in fact charges extreme fees, but many people pay them instead of using cheap open source knockoffs from Europe like MySQL because Oracle is far and away a better product. Nor is Oracle planning on giving their advantages away for free, they wouldn’t be in the position they’re in if they ever had.