A thing that I found interesting in that movie is that it illustrate IJ's in heavy stress : anger and lack of initiative.

Everyone accuses each other to be useless, because they're expecting others to do something. Their conflicts are mostly based on their feelings and opinions on the world.

Quentin : LSI
Holloway : EII
Leaven : LII
Worth : ESI

I couldn't type Kazan because he was autistic. Other characters were "minor".