You know something? If Squall and company just prevented the Junction Machine Ellone from ever being created (or even just destroyed it if it was created at that point in time), then Ultimecia wouldn't have had a way to traverse through time and take possession of Rinoa, Edea, and Adel. Why didn't they just think to do that instead of putting Rinoa and everyone else in danger? Did I miss something important that prevented the party from thinking up this much more feasible plan?

Of course the most obvious answer would be because the plot says that they had to go to the future to defeat the evil Sorceress, therefore creating a much more climactic ending.

I want to know what everyone else thinks though. Do you think there could have been a better plan to defeat Ultimecia than the one that was made?