The open source solution to Windows is not a os that runs windows applications. It's an OS which has it's own user space and application ecosystem. Sometimes I

The open source solution to Windows is not a os that runs windows applications. It's an OS which has it's own user space and application ecosystem. Sometimes I wonder why folks don't take the same tact with other platforms like the web. Alternatively, if you look at mobile, no one is seriously pursuing alternatives to Android. They just make Android based distros and no one seems to complain. What makes the web different?