The biggest job we have is to teach a newly hired employee how to fail intelligently. We have to train him to experiment over and over and to keep on trying and failing until he learns what will work. ↗
The only way a ventriloquist speaks differently is that he forgoes using his or her lips, and learns to reproduce sounds using the tongue, upper palate, and teeth only. Those 'difficult' letters are B, F, M, P, V, W, and Y. ↗
So, it becomes an exercise in futility if you write something that does not express the film as the director wishes. It's still their ball game. It's their show. I think any successful composer learns how to dance around the director's impulses. ↗