Isn't this just for non-logged in users? Needing to sign up to edit is a non-issue, you don't even have to provide an email address.
Almost no website, HN included, let you submit content without a form of registration, Wikipedia could block all non registered users and still be "the free encyclopedia anyone can edit".
Almost no website, HN included, let you submit content without a form of registration, Wikipedia could block all non registered users and still be "the free encyclopedia anyone can edit".