Dude, it has been a source of major interest, excitement and passion for years now.
OF COURSE it would turn a profit. I cannot even imagine a world where it would be a flop.
Plus, its not only the biggest FF title. ITs the biggest one in the West. That would help continue to spur sales in markets Sony is in major competition for, right now.
You have to be crazy to give money to SE to make a game. I doubt we have such crazy executives in video game industry.