This was probably never in anyone in Hollywood's heads because it's so theatrical- the opening number is directly to the audience, for 10 minutes. The show is loaded with expository asides- and because it wasn't a Broadway sensation.
And since Nine was an unmitigated disaster financially and critically, producers won't be touching musical adaptations unless they were guaranteed to be a smash.
"...everyone finally shut up, and the audience could enjoy the beginning of the Anatevka Pogram in peace."