When does a 'locked' visual bible stifle valuable on-set creativity?

Hey everyone,

I'm wrestling with a bit of a dilemma on my current project, a mid-budget indie drama with a fairly ambitious visual style. We've got a really comprehensive visual bible, meticulously detailed, and the production team is pushing for strict adherence, with change orders as the only approved deviation. I totally get the benefits of this for consistency and hitting everyone's vision.

However, I've seen moments on set where a spontaneous idea (from the DP, the director, or even an actor during blocking) could genuinely elevate a scene. Sometimes it's a slight camera adjustment that creates a more impactful frame, or a subtle tweak to an action that speaks volumes. My issue is that by the time a full change order is processed and approved, that organic moment is often lost, or the energy has dissipated.

I've tried flagging these potential improvements quickly with the director, highlighting how they might enhance the emotion or storytelling without derailing the overall aesthetic. But the pressure to stick to the 'bible' is really strong.

So, my question for you all: In your experience, when does this rigid approach to a locked visual bible and strict change orders become counterproductive, actually stifling valuable on-set creativity that could genuinely improve the film?