Board Thread:General Discussion/@comment-4764090-20121213204330/@comment-4812386-20121214004635

Polls should never be used for votes or anything similar. Simply put, if someone shouldn't be able to submit the poll twice, then polls shouldn't be used. This is one of these cases, so using a poll here was a bad idea.

Most wikis just do it by using lists. It works fine, and it's reliable. The point is, polls are not something we can rely on for taking decisions. They're more for amusement and unimportant purposes than for actually taking decisions, as the help page on polls indicates.