I´m saying that if FOX had wanted FG to continue, they would have already, so it wouldn´t make sense for them to revive the show now. Now, understand that since i don´t live in the US, i´m not up to everything that happened, so i may not be correct.
However he impression i got from reading sites back when i still watched the show was that FOX kept changing the schedule again and again, to the point where no one knew when they could catch Family Guy, effectively killing it.
So it didn´t die because it didn´t have viewers, but because of crazy scheduling, which many believe was done on purpose by FOX to get rid of a "too controversial" show. This obviously is speculation, but i doubt very much that FG died because of lack of a fan base.
I hope that explains my previous post.