User blog comment:Kabutsu/Assassin's Creed IV Setting Ideas/@comment-180.200.158.33-20121113084912/@comment-4975789-20121113174650

The reason people are coming up with ideas now is that the people from Ubi are going to be thinking which time periods they could do next. They started work on ACIII in January or February, so they'll be wanting to know what the community wants at around (slightly before and after) that time.

And people just love to speculate!