Because XML solves a 'problem' in the worst possible way. It is not that easy to parse for machines and only the simplest XML files are readable by humans.
Besides, since 1960 or thereabouts we have S-Expressions. The world should just have used that without reinventing the wheel once again.
Besides, since 1960 or thereabouts we have S-Expressions. The world should just have used that without reinventing the wheel once again.