Ergheiz got insane amount of press from those characters inclusion in the game. Unfortunately, the game really wasn't great. I think it bombed everywhere.
I really liked how they never overtly mentioned Aerith's fate, but everyone knew precisely what reference they were making. They covered a lot of thing I forgot about, like the seemless transitions from FMV to pre-rendered background. We kind of take those for granted now, but they still look as amazing today as they did then.
You can appreciate a lot more about the directions the final fantasy series went when you see them all together like this. Strangely, I never realized how vast a departure 7 and 8 were in design over the series up through 9. I always loved the futuristic feel of them.