The "users" in the title is referring to anyone who uses a computer, not to any kind of costumer.
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GNU/Linux is a free and open source operating system. It's owned by the community (the people) wich can modify, distribute and use it freely.
Windows is a proprietary and closed source operating system. It's owned by a capitalist company called Microsoft, wich let's you use the OS, but it's still theirs.
GNU/Linux's main goal is not profit, but to provide a functional OS that follows the ethics of free (as in freedom) software.
Microsoft's main goal is profit, and as consumism and capitalism want, to maximize said profit, ignoring people's needs and rights. They will take your money for the OS license, and then make more money by selling your data, wich are constantly collected, to ads services.
With free software you know exactly what is going on, because both the os and the programs are open source and you can either read the code or, if you don't know programming, just ask and trust the tons of nice people in the linux community.
On windows you never know what is going to happen when you launch a dot EXE file, you don't know what your computer is doing, because the OS and the "applications" are closed source and proprietary so they'll try and earn the most out of you. Then there's the programmers: at Microsoft they work on a minuscule part of whatever they're doing and don't know exactly what it's going to be used to. Everyone can code for GNU/linux, in a friendly and equal environment, because the users are the programmers.
To summarize, windows is capitalist scum, wich owns the production machines, while on linux, the people own the means of production!
Long live the software revolution! Long live GNU/linux!