Online polls are one of the stupidest way to conduct a poll. If they don't check for IPs duplicates on a later date it's absolutely meaningless. (It's meaningless anyway, since it's mostly a popularity contest, or, who has the most minions to horde on a poll, anyway.)
(Yeah, I've added a 100 votes for Sins, just for fun. 
Do I get a cookie now? Pun intended....)