The second part is also problematic, first because it's inaccurate (MIT- and BSD-licensed software is also open source but not free software i.e copyleft, which is bad), and second because it misses the point of free software: allowing others to use your work without contributing back is is very comparable to the right to enslave. So free software says that software being free is more important than people being free to do what they want with it. Much like we generally think that people being free is more important than others being free to do what they want to their neighbors.
So it's only petty if you're not accustomed to these ideas, which you are supposed to be anyway if you go through the effort of reading these rules. That's why this label exists after all: so you don't have to give it as much thought as these people did.