See it if You'd like the opportunity to hear people associated with the show/film. If you're not particular about the film screened, worth going.
Don't see it if Have NO interest in MG movie or its path to Bdwy. The panel was interesting and it was fun to look at the movie thru their perspectives.
See it if you're interested in how large entertainment companies select films to adapt for Broadway, and how the show is "positioned" for the audience
Don't see it if the "Mean Girls" movie is too lowbrow for you.