Board Thread:The Panopticon/@comment-44988386-20200623185848/@comment-1432718-20200630023320

I suggest you stop worrying about the IP user. If they don't care enough to register, they are going to miss a few things. That's one of the benefits of registering.

There are a few pertinent comments by User:CzechOut at Thread:120540 explaining the difficulties in getting in touch with IP users.