> Wikipedia has a faction that dislikes fair-use non-free images.
... because Wikipedia can be sued for using them, and fair use is a very, very bad thing to try and rely on in an actual court. 'Fair use' is whatever a judge says it is, which isn't something you can rely on going your way.
... because Wikipedia can be sued for using them, and fair use is a very, very bad thing to try and rely on in an actual court. 'Fair use' is whatever a judge says it is, which isn't something you can rely on going your way.