I think the problem is that you can't announce that you wont enforce your right for some given content - it is inalienable. (IANAL) So, you can say "don't worry

I think the problem is that you can't announce that you wont enforce your right for some given content - it is inalienable. (IANAL) So, you can say "don't worry I wont enforce this" but nothing is stopping you then enforcing it. So nobody can feel legally in the clear to link your stuff.