Did you read Fact 8 at all?
Fact 8: There are 3 Full Motion Video shots of Ultimecia in the game, all are at the ending, and last less than 1/10th of a second each, barely visible (did you notice them?). Why would square go to all the trouble of making the fmv if no one were to see it? Square aren't stupid, they wouldn't waste time and money for nothing.