Haha, no, that won't work. Let's say
Neal is in the next game, and Neal is a werewolf. I will
PM all 25 other players. The PM you would get from me would say "Hey Hitman, I saw how the last game went and all the humans got slaughtered (noobs!). I don't want to repeat that mistake. I
AM a Seer. I asked the gamemaster my Seer question last night about you, and he said you are a non-werewolf, too! He would not say if you were a fellow Seer or a guardian or human. We should team up. It's going to take all our wits to overcome the demonic beasts."
Now, if you were a non-werewolf, would you trust me, just because you got that e-mail?
Of the 25 players who got PMs, most would be non-werewolves, and they would all trust me?