They can have the link anyway - that's not restricted. You can link all you want to whatever you want. My guess is it would mean things like news publishers wo

They can have the link anyway - that's not restricted. You can link all you want to whatever you want. My guess is it would mean things like news publishers would send copies of the main text to reddit and reddit would be required to filter out comments that contain some significant chunk of them unless there's some agreement made. Currently most paywalled articles have the entire text pasted into a comment within.