I hope they also reacts to the signature aspect because through that means lot of people would see their project displayed and could attracts lot players who loves exploring new sites, especially the bonus aspect of it their project, while signing up using that bitcointalk as promo code would attracts more users.
I believe that’s why he said he’s glad that Rakebit listened to his advice which means they probably agreed to run a signature campaign which would be beneficial to their site - because as you have said they are people who love to explore new sites and some are afraid at first but with them running a signature which is being managed by one of the most reputable campaign managers I don’t think that skepticism willl still be in their mind anymore.