Quote Originally Posted by GreatEmerald View Post
So they are both under the GPL, just the former explicitly notes that. Changing it makes zero difference, (...)
As Alan Cox pointed out: the difference is making it more explicit what the license is, so that nobody can claim that they didn't know/understand. A judge/jury might be understanding about "sorry, I didn't see the LICENSE file among those thousands of other files", but they would be less understanding if the GPL was pushed into your face...