At a glance the signup form looks like it's a form to check if you've been spied on. It redflagged in my mind as that seems like a silly thing to fill out<p>Looks a bit dodgy. At least if nothing else Betteridge's law of headlines says I've not been spied on, which is a relief!
The corollary of the "nothing to hide" argument is that many will see this as a list of people with "stuff to hide", rather than a list of outraged citizens.