Most servers around the world run Linux. The same goes for almost all supercomputers. That’s astonishing in a capitalist world where absolutely everything is commodified. Why can’t these big tech companies manage to sell their own software to server operators or supercomputers? Why is an open, free project that is free for users so superior here?
Us oldsters remember the UNIX wars. There were a number of different flavours of UNIX fighting for commercial domination. In the end they all failed because of fragmentation. This is why Linux won.