Just because he hasnt logged in doesnt mean he has not checked the forums.

Also, there is almost certainly only one mafia with 6 people, if there were two, and there was a mislynch day 1, it would be GG. That being said, the game could not continue without him if Zuki was that mafia player, meaning its fucking stupid to vote him, which is why its not surprising to see the two people on board with that plan.