Because certain types of text aren’t actually copyrightable. You can’t copyright a fact, for one.
Copyright does not protect facts, ideas, systems, or methods of operation, although it may protect the way these things are expressed.
For some of those (ideas, systems, or methods of operation) you need a patent. Even with the copyright clause in a comment, it might not be valid. At least concerning US laws.
Because certain types of text aren’t actually copyrightable. You can’t copyright a fact, for one.
For some of those (ideas, systems, or methods of operation) you need a patent. Even with the copyright clause in a comment, it might not be valid. At least concerning US laws.