Optional galaxy-wide war during Academy quest

The Academy quest is about two sides fighting to change the galaxy forever, so lets have an option really showing something for it.

New game option : All Out War.

As soon as Isyander's Gambit starts, all factions on the Defenders side are locked in war with all Rejuvenator factions, and stay at war until the end of the final quest. 

If any previously existing alliance conflicts with the new paradigm, factions on the same side of the Quest are automatically integrated into new smaller alliances.

While you are automatically at war with the other side, you can still conduct diplomacy with factions on your side of the Quest as usual.

I feel like this option could please people enjoying roleplay and the warmongers amongst us.