With the CGI suddenly there's a thousand enemies instead of six - the army goes off into the horizon. You don't need that. The audience loses its relationship with the threat on the screen. That's something that's consistently happening and it makes these movies like video games and that's a soulless enterprise. It's all kinetics without emotion.
A friendship can weather most things and thrive in thin soil but it needs a little mulch of letters and phone calls and small silly presents every so often - just to save it from drying out completely.
